corpus_id stringlengths 3 9 | arxiv_id stringlengths 9 16 | date stringdate 1989-10-26 00:00:00 2024-09-30 00:00:00 | title stringlengths 4 240 | abstract stringlengths 3 3.15k | categories listlengths 1 10 | topics listlengths 0 15 ⌀ | roles listlengths 1 4 | key_references listlengths 0 10 ⌀ | authors listlengths 1 5.28k ⌀ | citation_trajectory listlengths 14 26 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
1845735 | cs/9907006 | 1999-07-06 | Representing Text Chunks | Dividing sentences in chunks of words is a useful preprocessing step for parsing, information extraction and information retrieval. (Ramshaw and Marcus, 1995) have introduced a "convenient" data representation for chunking by converting it to a tagging task. In this paper we will examine seven different data representa... | [
"cs.CL"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16563970 | gr-qc/9907023 | 1999-07-06 | On a class of invariant coframe operators with application to gravity | Let a differential 4D-manifold with a smooth coframe field be given. Consider the operators on it that are linear in the second order derivatives or quadratic in the first order derivatives of the coframe, both with coefficients that depend on the coframe variables. The paper exhibits the class of operators that are in... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y itin_1",
"name": "Y. Itin",
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{
"author_id": "s kaniel_1",
"name": "Shmuel Kaniel",
"publication_history": null,
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"num_ci... | null |
119092428 | cond-mat/9907090 | 1999-07-06 | Model glasses coupled to two different heat baths | In a $p$-spin interaction spherical spin-glass model both the spins and the couplings are allowed to change in the course of time. The spins are coupled to a heat bath with temperature $T$, while the coupling constants are coupled to a bath having temperature $T_{J}$. In an adiabatic limit (where relaxation time of the... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
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{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
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},
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
"publication_history": null,
"h_i... | null |
118053765 | cond-mat/9907087 | 1999-07-06 | Relaxation effects in the charge-ordered state of La$_{0.5}$Ca$_{0.5}$MnO$_{3}$ | We report an experimental study of the time dependence of the resistivity and magnetization of charge-ordered La$_{0.5}$Ca$_{0.5}$MnO$_{3}$ under different thermal and magnetic field conditions. A relaxation with a stretched exponential time dependence has been observed at temperatures below the charge ordering tempera... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v smolyaninova_1",
"name": "Vera [\"N.\"] Smolyaninova",
"publication_history": null,
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},
{
"author_id": "c galley_1",
"name": "Chad [\"R.\"] Galley",
"publication_history": null,
"h_index": null,
... | null |
119396156 | astro-ph/9907116 | 1999-07-09 | Synthetic spectra of H Balmer and HeI absorption lines. II: Evolutionary synthesis models for starburst and post-starburst galaxies | We present evolutionary stellar population synthesis models to predict the spectrum of a single-metallicity stellar population, with a spectral sampling of 0.3 A in five spectral regions between 3700 and 5000 A. The models, which are optimized for galaxies with active star formation, synthesize the profiles of the hydr... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
208372 | quant-ph/9907035 | 1999-07-09 | Three Approaches to the Quantitative Definition of Information in an Individual Pure Quantum State | In analogy of classical Kolmogorov complexity we develop a theory of the algorithmic information in bits contained in any one of continuously many pure quantum states: quantum Kolmogorov complexity. Classical Kolmogorov complexity coincides with the new quantum Kolmogorov complexity restricted to the classical domain. ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117322462 | cond-mat/9907143 | 1999-07-09 | Entropy production, energy dissipation and violation of Onsager relations in the steady glassy state | In a glassy system different degrees of freedom have well-separated characteristic times, and are described by different temperatures. The stationary state is essentially non-equilibrium. A generalized statistical thermodynamics is constructed and a universal variational principle is proposed. Entropy production and en... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
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},
{
"author_id": "t nieuwenhuizen_1",
"name": "Theo [\"M.\"] Nieuwenhuizen",
"publication_history": null,
"h_... | null |
6522475 | quant-ph/9907036 | 1999-07-09 | Sufficient conditions for a disentanglement | We consider a disentanglement process in which local properties of an entangled state are preserved, while the entanglement between the subsystems is erased. Sufficient conditions for a perfect disentanglement (into product states and into separable states) are derived, and connections to the conditions for perfect clo... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t mor_1",
"name": "Tal Mor",
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},
{
"author_id": "d terno_1",
"name": "Daniel [\"R.\"] Terno",
"publication_history": null,
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"... | null |
17838855 | cond-mat/9907161 | 1999-07-10 | Scaling of the distribution of price fluctuations of individual companies | We present a phenomenological study of stock price fluctuations of individual companies. We systematically analyze two different databases covering securities from the three major US stock markets: (a) the New York Stock Exchange, (b) the American Stock Exchange, and (c) the National Association of Securities Dealers A... | [
"cond-mat.stat-mech",
"q-fin.ST"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119668825 | cond-mat/9907197 | 1999-07-13 | Application of the discrete Wentzel-Kramers-Brillouin method to spin tunneling | A discrete version of the WKB method is developed and applied to calculate the tunnel splittings between classically degenerate states of spin Hamiltonians. The results for particular model problems are in complete accord with those previously found using instanton methods. The discrete WKB method is more elementary an... | [
"cond-mat",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15464142 | astro-ph/9907154 | 1999-07-13 | Core-halo Structure of Chemically Homogeneous Massive Star and Bending of Zero-Age Main-Sequence | We have recalculated interior structure of very massive stars of uniform chemical composition with the OPAL opacity. Very massive stars are found to develop a core-halo structure with a extended radiative-envelope. With the core-halo structure, a more massive star has a more extended envelope, then the track of upper z... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6493647 | cond-mat/9907176 | 1999-07-13 | Computational Mechanics: Pattern and Prediction, Structure and Simplicity | Computational mechanics, an approach to structural complexity, defines a process's causal states and gives a procedure for finding them. We show that the causal-state representation--an $\epsilon$-machine--is the minimal one consistent with accurate prediction. We establish several results on $\epsilon$-machine optimal... | [
"cond-mat.stat-mech",
"adap-org",
"chao-dyn",
"nlin.AO",
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
6398951 | hep-ph/9907362 | 1999-07-14 | Electroweak Constraints on Extended Models with Extra Dimensions | Electroweak measurements place significant bounds on higher-dimensional versions of the standard model in which the gauge and Higgs fields have Kaluza-Klein excitations. These bounds may be altered quantitatively if chiral matter is also allowed to propagate in the higher-dimensional `bulk'. We determine the electrowea... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17325888 | astro-ph/9907194 | 1999-07-14 | The NextGen Model Atmosphere grid: II. Spherically symmetric model atmospheres for giant stars with effective temperatures between 3000 and 6800~K | We present the extension of our NextGen model atmosphere grid to the regime of giant stars. The input physics of the models presented here is nearly identical to the NextGen dwarf atmosphere models, however spherical geometry is used self-consistently in the model calculations (including the radiative transfer). We re-... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14440072 | math-ph/9907013 | 1999-07-15 | Universality at the edge of the spectrum in Wigner random matrices | We prove universality at the edge for rescaled correlation functions of Wigner random matrices in the limit $n\to +\infty$. As a corollary, we show that, after proper rescaling, the 1st, 2nd, 3rd, etc. eigenvalues of Wigner random hermitian (resp. real symmetric) matrix weakly converge to the distributions established ... | [
"math-ph",
"math.MP",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119370022 | quant-ph/9907056 | 1999-07-16 | A quantum circuit for OR | We give the first quantum circuit for computing $f(0)$ OR $f(1)$ more reliably than is classically possible with a single evaluation of the function. OR therefore joins XOR (i.e. parity, $f(0) \oplus f(1)$) to give the full set of logical connectives (up to relabeling of inputs and outputs) for which there is quantum s... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h barnum_1",
"name": "Howard Barnum",
"publication_history": null,
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},
{
"author_id": "h bernstein_4",
"name": "Herbert [\"J.\"] Bernstein",
"publication_history": null,
"h_index": null,
"num_pa... | null |
9237587 | physics/9907025 | 1999-07-17 | Simple and efficent algorithm for large scale molecular dynamics simulation in hard disk systems | A simple and efficient algorithm of the molecular-dynamics simulation of the hard disk system based on the Event-Driven method is developed. From the analysis of algorithm, the complexity is O(log N) per 1 event, and the constant coefficient of the complexity is smaller than conventional efficient algorithm based on th... | [
"physics.comp-ph",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17502013 | astro-ph/9907252 | 1999-07-19 | The Environments of Supernovae in Post-Refurbishment Hubble Space Telescope Images | The locations of supernovae in the local stellar and gaseous environment in galaxies contain important clues to their progenitor stars. Access to this information, however, has been hampered by the limited resolution achieved by ground-based observations. High spatial resolution Hubble Space Telescope (HST) images of g... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17650264 | astro-ph/9907254 | 1999-07-19 | Lensing Induced Cluster Signatures in Cosmic Microwave Background | We show that clusters of galaxies induce step-like wiggles on top of the cosmic microwave background (CMB). The direction of the wiggle is parallel to the large scale gradient of CMB allowing one to isolate the effect from other small scale fluctuations. The effect is sensitive to the deflection angle rather than its d... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
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},
{
"author_id": "m zaldarriaga_1",
"name": "Matias Zaldarriaga",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
3172160 | math/9907126 | 1999-07-20 | Diameter and Treewidth in Minor-Closed Graph Families | It is known that any planar graph with diameter D has treewidth O(D), and this fact has been used as the basis for several planar graph algorithms. We investigate the extent to which similar relations hold in other graph families. We show that treewidth is bounded by a function of the diameter in a minor-closed family,... | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119176413 | math/9907127 | 1999-07-20 | Infinite wedge and random partitions | Using techniques from integrable systems, we obtain a number of exact results for random partitions. In particular, we prove a simple formula for correlation functions of what we call the Schur measure on partitions (which is a far reaching generalization of the Plancherel measure, see math.CO/9905032) and also show th... | [
"math.RT",
"math-ph",
"math.CO",
"math.MP",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10816113 | math/9907119 | 1999-07-20 | When is a Tensor Product of Circulant Graphs Circulant? | In this paper we determine partial answers to the question given in the title, thereby significantly extending results of Broere and Hattingh. We characterize completely those pairs of complete graphs whose tensor products are circulant. We establish that if the orders of these circulant graphs have greatest common div... | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119477189 | cond-mat/9907296 | 1999-07-20 | Index Distribution of Random Matrices with an Application to Disordered Systems | We compute the distribution of the number of negative eigenvalues (the index) for an ensemble of Gaussian random matrices, by means of the replica method. This calculation has important applications in the context of statistical mechanics of disordered systems, where the second derivative of the potential energy (the H... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "15485249",
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}
] | [
{
"author_id": "a cavagna_1",
"name": "Andrea Cavagna",
"publication_history": null,
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},
{
"author_id": "j garrahan_1",
"name": "Juan [\"P.\"] Garrahan",
"publication_history": null,
"h_index": null,
"num_paper... | null |
3410514 | cs/9907032 | 1999-07-21 | Clausal Temporal Resolution | In this article, we examine how clausal resolution can be applied to a specific, but widely used, non-classical logic, namely discrete linear temporal logic. Thus, we first define a normal form for temporal formulae and show how arbitrary temporal formulae can be translated into the normal form, while preserving satisf... | [
"cs.LO",
"cs.AI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1357540 | quant-ph/9907067 | 1999-07-21 | Algorithms on Ensemble Quantum Computers | In ensemble (or bulk) quantum computation, measurements of qubits in an individual computer cannot be performed. Instead, only expectation values can be measured. As a result of this limitation on the model of computation, various important algorithms cannot be processed directly on such computers, and must be modified... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "207198067",
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{
"corpus_id": "1344727",
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{
"corpus_id": "9743403",
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{
"corpus_id": "16699338",
"num_citations": null
},
{
"corpus_id": "2337707",
"num_citations": null
}
] | [
{
"author_id": "p boykin_1",
"name": "P. [\"Oscar\"] Boykin",
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{
"author_id": "t mor_1",
"name": "Tal Mor",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
13183017 | hep-ph/9907447 | 1999-07-21 | Modulus Stabilization with Bulk Fields | We propose a mechanism for stabilizing the size of the extra dimension in the Randall-Sundrum scenario. The potential for the modulus field that sets the size of the fifth dimension is generated by a bulk scalar with quartic interactions localized on the two 3-branes. The minimum of this potential yields a compactifica... | [
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
31895540 | quant-ph/9907068 | 1999-07-21 | Fidelity for Multimode Thermal Squeezed States | In the theory of quantum transmission of information the concept of fidelity plays a fundamental role. An important class of channels, which can be experimentally realized in quantum optics, is that of Gaussian quantum channels. In this work we present a general formula for fidelity in the case of two arbitrary Gaussia... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
36523817 | cond-mat/9907329 | 1999-07-21 | Evidence for charge localization in the ferromagnetic phase of La_(1-x)Ca_(x)MnO_3 from High real-space-resolution x-ray diffraction | High real-space-resolution atomic pair distribution functions of La_(1-x)Ca_(x)MnO_3 (x=0.12, 0.25 and 0.33) have been measured using high-energy x-ray powder diffraction to study the size and shape of the MnO_6 octahedron as a function of temperature and doping. In the paramagnetic insulating phase we find evidence fo... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s billinge_1",
"name": "Simon [\"J.\",\"L.\"] Billinge",
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},
{
"author_id": "t proffen_1",
"name": "Th. Proffen",
"publication_history": null,
"h_index": null,
"num_... | null |
15157300 | astro-ph/9907294 | 1999-07-21 | A Comprehensive Spectral and Variability Study of Narrow-Line Seyfert 1 Galaxies Observed by ASCA: I. Observations and Time Series Analysis | (Abridged) I present a comprehensive and uniform analysis of 25 {\it ASCA} observations from 23 Narrow-line Seyfert 1 galaxies. The time series analysis is presented in this paper, Part 1, and the spectral analysis and correlations are presented in the companion paper, Part 2. | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3240821 | hep-th/9907178 | 1999-07-22 | Holography for Non-Critical Superstrings | We argue that a class of ``non-critical superstring'' vacua is holographically related to the (non-gravitational) theory obtained by studying string theory on a singular Calabi-Yau manifold in the decoupling limit $g_s\to 0$. In two dimensions, adding fundamental strings at the singularity of the CY manifold leads to c... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
268116443 | cond-mat/9907343 | 1999-07-22 | A variational description of the ground state structure in random satisfiability problems | A variational approach to finite connectivity spin-glass-like models is developed and applied to describe the structure of optimal solutions in random satisfiability problems. Our variational scheme accurately reproduces the known replica symmetric results and also allows for the inclusion of replica symmetry breaking ... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech",
"cs.CC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g biroli_1",
"name": "Giulio Biroli",
"publication_history": null,
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"num_citations": null
},
{
"author_id": "r monasson_1",
"name": "Rémi Monasson",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18368246 | astro-ph/9907325 | 1999-07-23 | Rapid X-ray Variability of the BL Lacertae Object PKS 2155-304 | (Abridged) We present a detailed power density spectrum and cross-correlation analysis of the X-ray light curves of the BL Lac object PKS 2155-304, observed with BeppoSAX in 1997 and 1996, aimed at exploring the rapid variability properties and the inter-band cross correlations in the X-rays. We also perform the same a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1499190 | astro-ph/9907324 | 1999-07-23 | Effects of cluster galaxies on arc statistics | We present the results of a set of numerical simulations evaluating the effect of cluster galaxies on arc statistics. We perform a first set of gravitational lensing simulations using three independent projections for each of nine different galaxy clusters obtained from N-body simulations. The simulated clusters consis... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14474792 | hep-th/9907189 | 1999-07-26 | Anomalies in String Theory with D-Branes | We analyze global anomalies for elementary Type II strings in the presence of D-branes. Global anomaly cancellation gives a restriction on the D-brane topology. This restriction makes possible the interpretation of D-brane charge as an element of K-theory. | [
"hep-th",
"math.DG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
83531366 | cond-mat/9907407 | 1999-07-27 | Persistence in Nonequilibrium Systems | This is a brief review of recent theoretical efforts to understand persistence in nonequilibrium systems. Some of the recent experimental results are also briefly mentioned. I also discuss recent generalizations of persistence in various directions and conclude with a summary of open questions. | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18217668 | hep-ph/9907523 | 1999-07-28 | Application of the negative-dimension approach to massless scalar box integrals | We study massless one-loop box integrals by treating the number of space-time dimensions D as a negative integer. We consider integrals with up to three kinematic scales (s, t and either zero or one off-shell legs) and with arbitrary powers of propagators. For box integrals with q kinematic scales (where q=2 or 3) we i... | [
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12316915 | astro-ph/9907399 | 1999-07-28 | The Asymmetry of Galaxies: Physical Morphology for Nearby and High Redshift Galaxies | We present a detailed study of rotational asymmetry in galaxies for both morphological and physical diagnostic purposes. An unambiguous method for computing asymmetry is developed, robust for both distant and nearby galaxies. By degrading real galaxy images, we test the reliability of this asymmetry measure over a rang... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5644398 | astro-ph/9907411 | 1999-07-29 | Dark Matter Substructure in Galactic Halos | We use numerical simulations to examine the substructure within galactic and cluster mass halos that form within a hierarchical universe. Clusters are easily reproduced with a steep mass spectrum of thousands of substructure clumps that closely matches observations. However, the survival of dark matter substructure als... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117749857 | cond-mat/9907472 | 1999-07-29 | Holons on a meandering stripe | To study a possible effect of transverse fluctuations of a stripe in a 2D antiferromagnet on its charge dynamics, we identify elementary excitations of a weakly doped domain wall in the Hubbard model. Hartree-Fock numerics and analysis of fermion zero modes suggest that for U>=3t charged excitations are mobile holons, ... | [
"cond-mat.str-el",
"cond-mat.supr-con"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119447031 | gr-qc/9907104 | 1999-07-30 | The untilted diffuse matter Bianchi V Universe | A diffuse matter filled Type V Universe is studied. The anisotropic behaviour, the distortion caused to the CMBR and the parameter region allowed by present cosmological bounds are examined. It is shown how the overall sky pattern of temperature anisotropies changes under a non-infinitesimal spatial coordinate transfor... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t christodoulakis_1",
"name": "T. Christodoulakis",
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{
"author_id": "g kofinas_1",
"name": "Georgios Kofinas",
"publication_history": null,
"h_index": null,
"num_... | null |
16390254 | patt-sol/9908001 | 1999-07-30 | Selfsimilar Domain Growth, Localized Structures and Labyrinthine Patterns in Vectorial Kerr Resonators | We study domain growth in a nonlinear optical system useful to explore different scenarios that might occur in systems which do not relax to thermodynamic equilibrium. Domains correspond to equivalent states of different circular polarization of light. We describe three dynamical regimes: a coarsening regime in which d... | [
"patt-sol",
"nlin.PS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r gallego_1",
"name": "Rafael Gallego",
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},
{
"author_id": "m miguel_2",
"name": "Maxi [\"San\"] Miguel",
"publication_history": null,
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"num_papers":... | null |
5412510 | cs/9908001 | 1999-08-01 | Detecting Sub-Topic Correspondence through Bipartite Term Clustering | This paper addresses a novel task of detecting sub-topic correspondence in a pair of text fragments, enhancing common notions of text similarity. This task is addressed by coupling corresponding term subsets through bipartite clustering. The paper presents a cost-based clustering scheme and compares it with a bipartite... | [
"cs.CL"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "z marx_0",
"name": "Zvika Marx",
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{
"author_id": "i dagan_1",
"name": "Ido Dagan",
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"h_index": null,
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"num_cita... | null |
14328194 | hep-ex/9908011 | 1999-08-03 | Search for Neutral Heavy Leptons in a High-Energy Neutrino Beam | A search for neutral heavy leptons (NHLs) has been performed using an instrumented decay channel at the NuTeV (E-815) experiment at Fermilab. The decay channel was composed of helium bags interspersed with drift chambers, and was used in conjunction with the NuTeV neutrino detector to search for NHL decays. The data we... | [
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1328618 | astro-ph/9908025 | 1999-08-03 | The Orbit and Mass of the Sagittarius Dwarf Galaxy | Possible orbital histories of the Sgr dwarf galaxy are explored. A special-purpose N-body code is used to construct the first models of the Milky Way - Sgr Dwarf system in which both the Milky Way and the Sgr Dwarf are represented by full N-body systems and followed for a Hubble time. These models are used to calibrate... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18033465 | astro-ph/9908023 | 1999-08-03 | Coupled Quintessence | A new component of the cosmic medium, a light scalar field or ''quintessence '', has been proposed recently to explain cosmic acceleration with a dynamical cosmological constant. Such a field is expected to be coupled explicitely to ordinary matter, unless some unknown symmetry prevents it. I investigate the cosmologic... | [
"astro-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14818874 | astro-ph/9908052 | 1999-08-05 | NICMOS and VLA Observations of the Gravitatonally Lensed Ultraluminous BAL Quasar APM~08279+5255: Detection of a Third Image | We present a suite of observations of the recently identified ultraluminous BAL quasar APM 08279+5255, taken both in the infra-red with the NICMOS high resolution camera on board the Hubble Space Telescope, and at 3.5cm with the Very Large Array. With an inferred luminosity of ~5x10^15 Solar luminosities, APM 08279+525... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11529143 | astro-ph/9908049 | 1999-08-05 | Magnetic Stress at the Marginally Stable Orbit: Altered Disk Structure, Radiation, and Black Hole Spin Evolution | Magnetic connections to the plunging region can exert stresses on the inner edge of an accretion disk around a black hole. We recompute the relativistic corrections to the thin-disk dynamics equations when these stresses take the form of a time-steady torque on the inner edge of the disk. The additional dissipation ass... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7357353 | astro-ph/9908075 | 1999-08-06 | The Velocity Function of Galaxies | We present a galaxy circular velocity function, Psi(log v), derived from existing luminosity functions and luminosity-velocity relations. Such a velocity function is desirable for several reasons. First, it enables an objective comparison of luminosity functions obtained in different bands and for different galaxy morp... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1371912 | hep-th/9908056 | 1999-08-07 | Magnetic fields, branes and noncommutative geometry | We construct a simple physical model of a particle moving on the infinite noncommutative 2-plane. The model consists of a pair of opposite charges moving in a strong magnetic field. In addition, the charges are connected by a spring. In the limit of large magnetic field, the charges are frozen into the lowest Landau le... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
56005255 | astro-ph/9908090 | 1999-08-09 | Variability Pattern and the Spectral Evolution of the BL Lacertae Object PKS 2155-304 | The TeV blazar PKS 2155-304 was monitored with the X-ray satellite ASCA in 1994 May, as part of a multiwavelength campaign from the radio to X-ray bands. At the beginning of the two-day continuous observation, we detected a large flare, where the 2-10 keV flux changed by a factor of 2 on a time scale of 3 x 10^4 sec. D... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17937624 | astro-ph/9908114 | 1999-08-10 | The core density of dark matter halos: a critical challenge to the Lambda-CDM paradigm? | We compare the central mass concentration of Cold Dark Matter halos found in cosmological N-body simulations with constraints derived from the Milky Way disk dynamics and from the Tully-Fisher relation. For currently favored values of the cosmological parameters ($\Omega_0 \sim 0.3$; $\Lambda_0=1-\Omega_0 \sim 0.7$; $h... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7601556 | hep-th/9908084 | 1999-08-11 | Dual Anti-de Sitter Superalgebras from Partial Supersymmetry Breaking | The partial breaking of supersymmetry in anti-de Sitter (AdS) space can be accomplished using two of four dual representations for the massive OSp(1,4) spin-3/2 multiplet. The representations can be ``unHiggsed,'' which gives rise to a set of dual N=2 supergravities and supersymmetry algebras. | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r altendorfer_1",
"name": "Richard Altendorfer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j bagger_1",
"name": "Jonathan [\"A.\"] Bagger",
"publication_history": null,
"h_index": null,
"... | null |
29692591 | hep-ex/9908046 | 1999-08-11 | Measurement of the Total Cross Section for Hadronic Production by e+e- Annihilation at Energies between 2.6-5 Gev | Using the upgraded Beijing Spectrometer (BESII), we have measured the total cross section for $e^+e^-$ annihilation into hadronic final states at center-of-mass energies of 2.6, 3.2, 3.4, 3.55, 4.6 and 5.0 GeV. Values of $R$, $\sigma(e^+e^-\to {hadrons})/\sigma(e^+e^-\to\mu^+\mu^-)$, are determined. | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j bai_33",
"name": "J. Bai",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "y ban_8",
"name": "Y. Ban",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": n... | null |
15733532 | quant-ph/9908036 | 1999-08-12 | Universal teleportation with a twist | We give a transfer theorem for teleportation based on twisting the entanglement measurement. This allows one to say what local unitary operation must be performed to complete the teleportation in any situation, generalizing the scheme to include overcomplete measurements, non-abelian groups of local unitary operations ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6984534 | cs/9908010 | 1999-08-12 | On Propagating Updates in a Byzantine Environment | We study how to efficiently diffuse updates to a large distributed system of data replicas, some of which may exhibit arbitrary (Byzantine) failures. We assume that strictly fewer than $t$ replicas fail, and that each update is initially received by at least $t$ correct replicas. The goal is to diffuse each update to a... | [
"cs.DC",
"cs.CR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d malkhi_1",
"name": "Dahlia Malkhi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "y mansour_2",
"name": "Y. Mansour",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
657429 | math/9908063 | 1999-08-13 | Central Limit Theorem for local linear statistics in classical compact groups and related combinatorial identities | We discuss CLT for the global and local linear statistics of random matrices from classical compact groups. The main part of our proofs are certain combinatorial identities much in the spirit of works by Kac and Spohn. | [
"math.PR",
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
75923 | quant-ph/9908043 | 1999-08-13 | Ultimate physical limits to computation | Computers are physical systems: what they can and cannot do is dictated by the laws of physics. In particular, the speed with which a physical device can process information is limited by its energy and the amount of information that it can process is limited by the number of degrees of freedom it possesses. This paper... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14435373 | astro-ph/9908159 | 1999-08-16 | Profiles of dark haloes: evolution, scatter, and environment | We study dark-matter halo density profiles in a high-resolution N-body simulation of an LCDM cosmology. Our statistical sample contains ~5000 haloes in the range 10^{11}-10^{14} M_sun. The profiles are parameterized by an NFW form with two parameters, an inner radius r_s and a virial radius r_v, and we define the halo ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8421642 | cs/9908013 | 1999-08-17 | Collective Intelligence for Control of Distributed Dynamical Systems | We consider the El Farol bar problem, also known as the minority game (W. B. Arthur, ``The American Economic Review'', 84(2): 406--411 (1994), D. Challet and Y.C. Zhang, ``Physica A'', 256:514 (1998)). We view it as an instance of the general problem of how to configure the nodal elements of a distributed dynamical sys... | [
"cs.LG",
"adap-org",
"cond-mat",
"cs.AI",
"cs.DC",
"cs.MA",
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2761753 | hep-th/9908120 | 1999-08-18 | Supersymmetric Index and s-rule for Type IIB Branes | We investigate the supersymmetric index of N=2,3 SU(n) supersymmetric Yang-Mills Chern Simons theories at level k by using the brane configuration with a (p,q)5-brane. We can explain that the supersymmetry breaking occurs when k<n in terms of the s-rule for Type IIB branes. The supersymmetric index coincides with the n... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119102213 | quant-ph/9604034 | 1999-08-19 | A Theory of Quantum Error-Correcting Codes | Quantum Error Correction will be necessary for preserving coherent states against noise and other unwanted interactions in quantum computation and communication. We develop a general theory of quantum error correction based on encoding states into larger Hilbert spaces subject to known interactions. We obtain necessary... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17796168 | cond-mat/9908286 | 1999-08-19 | Hamiltonian derivation of a detailed fluctuation theorem | We analyze the microscopic evolution of a system undergoing a far-from-equilibrium thermodynamic process. Explicitly accounting for the degrees of freedom of participating heat reservoirs, we derive a hybrid result, similar in form to both the fluctuation theorem, and a statement of detailed balance. We relate this res... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3260952 | cs/9908015 | 1999-08-19 | Representing Scholarly Claims in Internet Digital Libraries: A Knowledge Modelling Approach | This paper is concerned with tracking and interpreting scholarly documents in distributed research communities. We argue that current approaches to document description, and current technological infrastructures particularly over the World Wide Web, provide poor support for these tasks. We describe the design of a digi... | [
"cs.DL",
"cs.AI",
"cs.HC",
"cs.IR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s shum_2",
"name": "Simon [\"Buckingham\"] Shum",
"publication_history": null,
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},
{
"author_id": "e motta_2",
"name": "Enrico Motta",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
668885 | hep-th/9908142 | 1999-08-20 | String Theory and Noncommutative Geometry | We extend earlier ideas about the appearance of noncommutative geometry in string theory with a nonzero B-field. We identify a limit in which the entire string dynamics is described by a minimally coupled (supersymmetric) gauge theory on a noncommutative space, and discuss the corrections away from this limit. Our anal... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6297638 | nucl-ex/9908014 | 1999-08-21 | Isospin-tracing: A probe of non-equilibrium in central heavy-ion collisions | Four different combinations of $^{96}_{44}$Ru and $^{96}_{40}$Zr nuclei, both as projectile and target, were investigated at the same bombarding energy of 400$A$ MeV using a $4 \pi$ detector. The degree of isospin mixing between projectile and target nucleons is mapped across a large portion of the phase space using tw... | [
"nucl-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f rami_1",
"name": "F. Rami",
"publication_history": null,
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},
{
"author_id": "y leifels_1",
"name": "Yvonne Leifels",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
177389 | quant-ph/9908070 | 1999-08-22 | Unextendible Product Bases, Uncompletable Product Bases and Bound Entanglement | We report new results and generalizations of our work on unextendible product bases (UPB), uncompletable product bases and bound entanglement. We present a new construction for bound entangled states based on product bases which are only completable in a locally extended Hilbert space. We introduce a very useful repres... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
33634232 | astro-ph/9908256 | 1999-08-23 | Density Waves Inside Inner Lindblad Resonance: Nuclear Spirals in Disk Galaxies | We analyze formation of grand-design two-arm spiral structure in the nuclear regions of disk galaxies. Such morphology has been recently detected in a number of objects using high-resolution near-infrared observations. Motivated by the observed (1) continuity between the nuclear and kpc-scale spiral structures, and by ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14602322 | astro-ph/9908267 | 1999-08-24 | How Observations of Circumstellar Disk Asymmetries Can Reveal Hidden Planets: Pericenter Glow and its Application to the HR 4796 Disk | Recent images of the disks of dust around the young stars HR 4796A and Fomalhaut show, in each case, a double-lobed feature that may be asymmetric (one lobe may be brighter than the other). A symmetric double-lobed structure is that expected from a disk of dust with a central hole that is observed nearly edge-on (i.e.,... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6612681 | hep-lat/9908041 | 1999-08-25 | The spectrum of the three-dimensional adjoint Higgs model and hot SU(2) gauge theory | We compute the mass spectrum of the SU(2) adjoint Higgs model in 2+1 dimensions at several points located in the (metastable) confinement region of its phase diagram. We find a dense spectrum consisting of an almost unaltered repetition of the glueball spectrum of the pure gauge theory, and additional bound states of a... | [
"hep-lat",
"hep-ph",
"hep-th",
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15563017 | hep-th/9908166 | 1999-08-25 | Dbrane Phase Transitions and Monodromy in K-theory | Majumder and Sen have given an explicit construction of a first order phase transition in a non-supersymmetric system of Dbranes that occurs when the B field is varied. We show that the description of this transition in terms of K-theory involves a bundle of K groups of non-commutative algebras over the Kahler cone wit... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "5504867",
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},
{
"corpus_id": "668885",
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}
] | [
{
"author_id": "s gukov_1",
"name": "Sergei Gukov",
"publication_history": null,
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},
{
"author_id": "v periwal_1",
"name": "Vipul Periwal",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
265981752 | cond-mat/9908365 | 1999-08-25 | Possible charge inhomogeneities in the CuO2 planes of YBa2Cu3O6+x (x=0.25, 0.45, 0.65, 0.94) from pulsed neutron diffraction | The atomic pair distribution functions (PDF) of four powder samples of YBa2Cu3O6+x (x=0.25, 0.45, 0.65, 0.94) at 15 K have been measured by means of pulsed neutron diffraction. The PDF is modelled using a full-profile fitting approach to yield structural parameters. In contrast to earlier XAFS work we find no evidence ... | [
"cond-mat.supr-con"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m gutmann_3",
"name": "Matthew [\"C.\"] Gutmann",
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"h_index": null,
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},
{
"author_id": "s billinge_1",
"name": "Simon [\"J.\",\"L.\"] Billinge",
"publication_history": null,
"h_index": nu... | null |
6372163 | math/9908149 | 1999-08-27 | On the Geometry of Graeffe Iteration | A new version of the Graeffe algorithm for finding all the roots of univariate complex polynomials is proposed. It is obtained from the classical algorithm by a process analogous to renormalization of dynamical systems. This iteration is called Renormalized Graeffe Iteration. It is globally convergent, with probability... | [
"math.NA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g malajovich_1",
"name": "Gregorio Malajovich",
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},
{
"author_id": "j zubelli_1",
"name": "Jorge [\"Passamani\"] Zubelli",
"publication_history": null,
"h_index": null,
... | null |
15907318 | cond-mat/9908419 | 1999-08-27 | Temperature dependent scattering rate and optical mass of ferromagnetic metallic manganites | We report on the optical properties of the hole-doped manganites La_0.7Ca_0.3MnO_3 and La_0.7Ca_0.3MnO_3. Transmission and reflection of thin films are measured in the infrared at temperatures from 10 - 150 K using Fourier-transform spectroscopy. The scattering rate and optical mass are obtained by fitting the far-infr... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j simpson_3",
"name": "J. [\"R.\"] Simpson",
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},
{
"author_id": "h drew_0",
"name": "H. [\"Dennis\"] Drew",
"publication_history": null,
"h_index": null,
"num_papers... | null |
100025 | math/9908150 | 1999-08-27 | Tangent Graeffe Iteration | Graeffe iteration was the choice algorithm for solving univariate polynomials in the XIX-th and early XX-th century. In this paper, a new variation of Graeffe iteration is given, suitable to IEEE floating-point arithmetics of modern digital computers. We prove that under a certain generic assumption the proposed algori... | [
"math.NA",
"cs.NA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g malajovich_1",
"name": "Gregorio Malajovich",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j zubelli_1",
"name": "Jorge [\"Passamani\"] Zubelli",
"publication_history": null,
"h_index": null,
... | null |
14954806 | cond-mat/9908420 | 1999-08-27 | Path ensembles averages in systems driven far-from-equilibrium | The Kawasaki nonlinear response relation, the transient fluctuation theorem, and the Jarzynski nonequilibrium work relation are all expressions that describe the behavior of a system that has been driven from equilibrium by an external perturbation. In contrast to linear response theory, these expressions are exact no ... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14053624 | astro-ph/9908330 | 1999-08-30 | Faint blue objects on the Hubble Deep Field North & South as possible nearby old halo white dwarfs | Using data derived from the deepest and finest angular resolution images of the universe yet acquired by astronomers at optical wavelengths using the Hubble Space Telescope (HST) in two postage-stamp sections of the sky (Williams et al. 1996a,b), plus simple geometrical and scaling arguments, we demonstrate that the fa... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14164304 | gr-qc/9909001 | 1999-08-31 | Gravitational Wave Experiments and Early Universe Cosmology | Gravitational-wave experiments with interferometers and with resonant masses can search for stochastic backgrounds of gravitational waves of cosmological origin. We review both experimental and theoretical aspects of the search for these backgrounds. We give a pedagogical derivation of the various relations that charac... | [
"gr-qc",
"astro-ph",
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13442219 | cond-mat/9908480 | 1999-08-31 | Exact solution of a modified El Farol's bar problem: Efficiency and the role of market impact | We discuss a model of heterogeneous, inductive rational agents inspired by the El Farol Bar problem and the Minority Game. As in markets, agents interact through a collective aggregate variable -- which plays a role similar to price -- whose value is fixed by all of them. Agents follow a simple reinforcement-learning d... | [
"cond-mat.stat-mech",
"adap-org",
"cond-mat.dis-nn",
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16558689 | gr-qc/9909002 | 1999-08-31 | Canonical Quantization of a Closed Euclidean Universe with a Cosmological Constant | We study canonical quantization of a closed Euclidean universe with a cosmological constant and a massless scalar field. The closed Euclidean universe with an ordinary matter state can be matched at a finite radius only with the closed Lorentzian universe with the Wick-rotated exotic state. The exotic state provides th... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17246775 | astro-ph/9908357 | 1999-08-31 | The Mass Function of an X-Ray Flux-Limited Sample of Galaxy Clusters | Using the brightest clusters in the ROSAT All-Sky Survey we compiled an X-ray flux-limited sample of galaxy clusters. The clusters have been reanalysed using ROSAT PSPC pointed observations if possible. The gravitational mass has been determined individually for each cluster in a homogeneous way assuming hydrostatic eq... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
52230458 | chao-dyn/9909004 | 1999-08-31 | The Gallavotti-Cohen Fluctuation Theorem for a non-chaotic model | We test the applicability of the Gallavotti-Cohen fluctuation formula on a nonequilibrium version of the periodic Ehrenfest wind-tree model. This is a one-particle system whose dynamics is rather complex (e.g. it appears to be diffusive at equilibrium), but its Lyapunov exponents are nonpositive. For small applied fiel... | [
"chao-dyn",
"cond-mat.stat-mech",
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [
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{
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},
{
"corpus_id": "8146978",
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},
{
"corpus_id": "119025092",
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... | [
{
"author_id": "s lepri_2",
"name": "Stefano Lepri",
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},
{
"author_id": "l rondoni_1",
"name": "Lamberto Rondoni",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
8543269 | astro-ph/9909018 | 1999-09-01 | The Fundamental Plane of Gravitational Lens Galaxies and The Evolution of Early-Type Galaxies in Low Density Environments | Most gravitational lenses are early-type galaxies in relatively low density environments -- a ``field'' rather than a ``cluster'' population. We show that field early-type galaxies with 0 < z < 1, as represented by the lens galaxies, lie on the same fundamental plane as those in rich clusters at similar redshifts. We t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3265202 | cs/9909001 | 1999-09-01 | Emerging Challenges in Computational Topology | Here we present the results of the NSF-funded Workshop on Computational Topology, which met on June 11 and 12 in Miami Beach, Florida. This report identifies important problems involving both computation and topology. | [
"cs.CG",
"math.GT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m bern_0",
"name": "Marshall [\"W.\"] Bern",
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},
{
"author_id": "d eppstein_1",
"name": "David Eppstein",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
3265603 | quant-ph/9909012 | 1999-09-02 | Analysis of Quantum Functions | This paper initiates a systematic study of quantum functions, which are (partial) functions defined in terms of quantum mechanical computations. Of all quantum functions, we focus on resource-bounded quantum functions whose inputs are classical bit strings. We prove complexity-theoretical properties and unique characte... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
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{
"corpus_id": "15316349",
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{
"corpus_id": "789782",
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},
{
"corpus_id": "3265635",
"num_citations": null
}
] | [
{
"author_id": "t yamakami_1",
"name": "Tomoyuki Yamakami",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
17288024 | gr-qc/9909017 | 1999-09-05 | On the detectability of quantum spacetime foam with gravitational-wave interferometers | We discuss a recent provocative suggestion by Amelino-Camelia and others that classical spacetime may break down into ``quantum foam'' on distance scales many orders of magnitude larger than the Planck length, leading to effects which could be detected using large gravitational wave interferometers. This suggestion is ... | [
"gr-qc",
"cond-mat",
"hep-ph",
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r adler_2",
"name": "R. [\"J.\"] Adler",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "i nemenman_1",
"name": "Ilya Nemenman",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
20169760 | hep-ex/9909011 | 1999-09-05 | Measurement of b Quark Fragmentation Fractions in p-pbar Collisions at sqrt(s)=1.8 TeV | We have studied the production of B hadrons in 1.8-TeV p-pbar collisions. We present measurements of the fragmentation fractions, f_u, f_d, f_s and f_baryon, of produced b quarks that yield B^+, B^0, B^0_s and Lambda_b hadrons. Reconstruction of several electron-charm final states yields f_s/(f_u+f_d)=0.213+/-0.068 and... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t affolder_1",
"name": "Tony Affolder",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "h akimoto_1",
"name": "H. Akimoto",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
9954684 | math/9909031 | 1999-09-05 | The Scaling Window of the 2-SAT Transition | We consider the random 2-satisfiability problem, in which each instance is a formula that is the conjunction of m clauses of the form (x or y), chosen uniformly at random from among all 2-clauses on n Boolean variables and their negations. As m and n tend to infinity in the ratio m/n --> alpha, the problem is known to ... | [
"math.CO",
"math-ph",
"math.MP",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119456190 | cond-mat/9909091 | 1999-09-06 | Finite-Temperature Monte Carlo Calculations For Systems With Fermions | We present a quantum Monte Carlo method which allows calculations on many-fermion systems at finite temperatures without any sign decay. This enables simulations of the grand-canonical ensemble at large system sizes and low temperatures. Both diagonal and off-diagonal expectations can be computed straightforwardly. The... | [
"cond-mat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
36237296 | cond-mat/9909106 | 1999-09-07 | Order-out-of-disorder in a gas of elastic quantum strings in 2+1 dimensions | A limiting case of a dynamical stripe state which is of potential significance to cuprate superconductors is considered: a gas of elastic quantum strings in 2+1 dimensions, interacting merely via a hard-core condition. It is demonstrated that this gas solidifies always, by a mechanism which is the quantum analogue of t... | [
"cond-mat.str-el",
"cond-mat.supr-con"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6583790 | astro-ph/9909127 | 1999-09-07 | Two nearby M dwarf binaries from 2MASS | We report the discovery of two binary M dwarf systems in the immediate solar neighborhood using 2MASS. The first is an M6.5 companion to the nearby G star HD 86728 (Gl 376). The known properties of HD 86728 indicate that the M dwarf (Gl 376B) is old, metal-rich and only 14.9 parsecs away. The M dwarf is highly active w... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j gizis_1",
"name": "John [\"E.\"] Gizis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d monet_1",
"name": "David [\"G.\"] Monet",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
15379983 | cond-mat/9909069 | 1999-09-08 | Bosonization and Strongly Correlated Systems | This volume provides a detailed account of bosonization. The first part of the book examines the technical aspects of bosonization including one-dimensional fermions, the Gaussian model, the structure of Hilbert space in conformal theories, Bose-Einstein condensation in two dimensions, non-Abelian bosonization, and the... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
49231733 | cond-mat/9909162 | 1999-09-10 | Finite-size corrections to the free energy of crystalline solids | We analyse the finite-size corrections to the free energy of crystals with a fixed center of mass. When we explicitly correct for the leading ($\ln N/N$) corrections, the remaining free energy is found to depend linearly on 1/N. Extrapolating to the thermodynamic limit ($N\to\infty$), we estimate the free energy of a d... | [
"cond-mat.stat-mech",
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5740210 | cond-mat/9909165 | 1999-09-10 | Mean-field solution of the small-world network model | The small-world network model is a simple model of the structure of social networks, which simultaneously possesses characteristics of both regular lattices and random graphs. The model consists of a one-dimensional lattice with a low density of shortcuts added between randomly selected pairs of points. These shortcuts... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10076747 | astro-ph/9909191 | 1999-09-10 | The PSCz catalogue | We present the catalogue and redshift data for the PSCz survey of 15,000 IRAS galaxies over 84% of the sky. The uniformity, completeness and data quality are assessed, and guidelines and caveats for its use are given. | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
423195 | hep-th/9909071 | 1999-09-10 | Scalar absorption by spinning D3-branes | We discuss absorption of scalars by a distribution of spinning D3-branes. The D3-branes are multi-center solutions of supergravity theory. We solve the wave equation in various cases of supergravity backgrounds in which the equation becomes separable. We show that the absorption coefficients exhibit a universal behavio... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g siopsis_1",
"name": "George Siopsis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
9497132 | hep-ph/9909334 | 1999-09-12 | Focus Points and Naturalness in Supersymmetry | We analyze focus points in supersymmetric theories, where a parameter's renormalization group trajectories meet for a family of ultraviolet boundary conditions. We show that in a class of models including minimal supergravity, the up-type Higgs mass has a focus point at the weak scale, where its value is highly insensi... | [
"hep-ph",
"hep-ex",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119086587 | astro-ph/9909207 | 1999-09-13 | Keck Spectra of Brown Dwarf Candidates and a Precise Determination of the Lithium Depletion Boundary in the Alpha Persei Open Cluster | We have identified twenty-seven candidate very low mass members of the relatively young Alpha Persei open cluster from a six square degree CCD imaging survey. Based on their I magnitudes and the nominal age and distance to the cluster, these objects should have masses less than 0.1 Msunif they are cluster members. We h... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
123057563 | astro-ph/9909227 | 1999-09-14 | Calibration of the MACHO Photometry Database | The MACHO Project is a microlensing survey that monitors the brightnesses of 60 million stars in the Large Magellanic Cloud (LMC), Small Magellanic Cloud, and Galactic bulge. Our database presently contains about 80 billion photometric measurements, a significant fraction of all astronomical photometry. We describe the... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11664720 | quant-ph/9909044 | 1999-09-14 | Peres-Horodecki separability criterion for continuous variable systems | The Peres-Horodecki criterion of positivity under partial transpose is studied in the context of separability of bipartite continuous variable states. The partial transpose operation admits, in the continuous case, a geometric interpretation as mirror reflection in phase space. This recognition leads to uncertainty pri... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1861225 | cond-mat/9909203 | 1999-09-14 | A geometrical picture for finite dimensional spin glasses | A controversial issue in spin glass theory is whether mean field correctly describes 3-dimensional spin glasses. If it does, how can replica symmetry breaking arise in terms of spin clusters in Euclidean space? Here we argue that there exist system-size low energy excitations that are sponge-like, generating multiple v... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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