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 ⌀ |
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15572078 | hep-ph/0111108 | 2001-11-09 | Analytical calculation of matter effects in two mass-scale neutrino oscillations | We consider three active flavor neutrino oscillations where both the mass-square differences play a role in atmospheric neutrino problem. We calculate the matter effects arising due to propagation through earth. We demonstrate that these effects improve the fit to the electron data vis-a-vis vacuum oscillations but mak... | [
"hep-ph"
] | null | [
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{
"author_id": "m narayan_3",
"name": "Mohan Narayan",
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"author_id": "s sankar_1",
"name": "Sriram Sankar",
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... | null |
1364783 | hep-th/0111085 | 2001-11-09 | dS/CFT correspondence on a brane | We study branes moving in an AdS Schwarzschild black hole background. When the brane tension exceeds a critical value, the induced metric on the brane is of FRW type and asymptotically de Sitter. We discuss the relevance of such configurations to dS/CFT correspondence. When the black hole mass reaches a critical value ... | [
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{
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"author_id": "a petkou_1",
"name": "Anastasios [\"C.\"] Petkou",
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"author_id": "g siopsis_1",
"name": "George Siopsis",
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6745819 | hep-th/0111090 | 2001-11-10 | Spectrum of confining strings in SU(N) gauge theories | We study the spectrum of the confining strings in four-dimensional SU(N) gauge theories. We compute, for the SU(4) and SU(6) gauge theories formulated on a lattice, the string tensions sigma_k related to sources with Z_N charge k, using Monte Carlo simulations. Our results are consistent with the sine formula sigma_k/s... | [
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"name": "Luigi [\"Del\"] Debbio",
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"author_id": "h panagopoulos_1",
"name": "Haralambos Panagopoulos",
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... | null |
119102168 | quant-ph/0111066 | 2001-11-12 | A security proof of quantum cryptography based entirely on entanglement purification | We give a proof that entanglement purification, even with noisy apparatus, is sufficient to disentangle an eavesdropper (Eve) from the communication channel. In the security regime, the purification process factorises the overall initial state into a tensor-product state of Alice and Bob, on one side, and Eve on the ot... | [
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"author_id": "h briegel_1",
"name": "Hans [\"J.\"] Briegel",
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11025151 | astro-ph/0111230 | 2001-11-13 | Inferring the Linear Power Spectrum from the Lyman-alpha Forest | We discuss the determination of the linear power spectrum of dark matter fluctuations from measurements of the transmitted flux Ly-alpha Forest power spectrum. We show that at most scales probed by current measurements, the flux power spectrum is significantly affected by non-linear corrections to the linear dark matte... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119445644 | gr-qc/0111036 | 2001-11-13 | Energy-momentum current for coframe gravity | The obstruction for the existence of an energy momentum tensor for the gravitational field is connected with differential-geometric features of the Riemannian manifold. It has not to be valid for alternative geometrical structures. A teleparallel manifold is defined as a parallelizable differentiable 4D-manifold endowe... | [
"gr-qc"
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] | null |
17362446 | physics/0111126 | 2001-11-14 | A Matlab Program to Calculate the Maximum Entropy Distributions | The classical Maximum Entropy (ME) problem consists of determining a probability distribution function (pdf) from a finite set of expectations of known functions. The solution depends on $N+1$ Lagrange multipliers which are determined by solving the set of nonlinear equations formed by the $N$ data constraints and the ... | [
"physics.data-an"
] | null | [
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9045454 | gr-qc/0111043 | 2001-11-14 | Exploring the Conformal Constraint Equations | One method of studying the asymptotic structure of spacetime is to apply Penrose's conformal rescaling technique. In this setting, the Einstein equations for the metric and the conformal factor in the unphysical spacetime degenerate where the conformal factor vanishes, namely at the boundary representing null infinity.... | [
"gr-qc",
"math.DG"
] | null | [
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{
"author_id": "a butscher_1",
"name": "Adrian Butscher",
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] | null |
13365382 | hep-ph/0111190 | 2001-11-15 | The Standard Model Effective Potential at Two Loops | We calculate the standard model effective potential to two loops using minimal subtraction, and use the result to deduce the two-loop beta-functions for the scalar mass and quartic self-interaction. | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119462708 | cond-mat/0111284 | 2001-11-15 | Berry phase for ferromagnet with fractional spin | We study the double exchange model on two lattice sites with one conduction electron in the limit of an infinite Hund's interaction. While this simple problem is exactly solvable, we present an approximate solution which is valid in the limit of large core spins. This solution is obtained by integrating out charge degr... | [
"cond-mat"
] | null | [
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{
"author_id": "a abanov_1",
"name": "Alexander [\"G.\"] Abanov",
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{
"author_id": "a abanov_2",
"name": "Ar. Abanov",
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17132121 | hep-ph/0111209 | 2001-11-16 | Two-loop effective potential for a general renormalizable theory and softly broken supersymmetry | I compute the two-loop effective potential in the Landau gauge for a general renormalizable field theory in four dimensions. Results are presented for the \bar{MS} renormalization scheme based on dimensional regularization, and for the \bar{DR} and \bar{DR}' schemes based on regularization by dimensional reduction. The... | [
"hep-ph"
] | null | [
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] | null | null | null |
94480844 | nlin/0111038 | 2001-11-16 | Coarse Stability and Bifurcation Analysis Using Stochastic Simulators: Kinetic Monte Carlo Examples | We implement a computer-assisted approach that, under appropriate conditions, allows the bifurcation analysis of the coarse dynamic behavior of microscopic simulators without requiring the explicit derivation of closed macroscopic equations for this behavior. The approach is inspired by the so-called time-step per base... | [
"nlin.PS"
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{
"author_id": "a makeev_1",
"name": "Alexei Makeev",
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{
"author_id": "d maroudas_1",
"name": "Dimitrios Maroudas",
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"num_papers": nu... | null |
55685128 | cond-mat/0111319 | 2001-11-17 | Statistical equilibrium measures in micromagnetics | We derive an equilibrium statistical theory for the macroscopic description of a ferromagnetic material at positive finite temperatures. Our formulation describes the most-probable equilibrium macrostates that yield a coherent deterministic large-scale picture varying at the size of the domain, as well as it captures t... | [
"cond-mat.mtrl-sci",
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] | null | [
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{
"author_id": "m katsoulakis_1",
"name": "Markos [\"A.\"] Katsoulakis",
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{
"author_id": "p plecháč_1",
"name": "Petr Plecháč",
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5201096 | quant-ph/0111102 | 2001-11-19 | Quantum Lower Bound for the Collision Problem | The collision problem is to decide whether a function X:{1,..,n}->{1,..,n} is one-to-one or two-to-one, given that one of these is the case. We show a lower bound of Theta(n^{1/5}) on the number of queries needed by a quantum computer to solve this problem with bounded error probability. The best known upper bound is O... | [
"quant-ph",
"cs.CC"
] | null | [
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] | null | null | null |
15889803 | astro-ph/0111362 | 2001-11-19 | Cluster abundance normalization from observed mass-temperature relation | Abundance of rich clusters in local universe is currently believed to provide the most robust normalization of power spectrum at a scale of 10 Mpc. This normalization depends very sensitively on the calibration between virial mass M and temperature T, which is usually taken from simulations. Uncertainties in the modell... | [
"astro-ph"
] | null | [
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{
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... | [
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
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] | null |
2686790 | cs/0111051 | 2001-11-19 | Predicting RNA Secondary Structures with Arbitrary Pseudoknots by Maximizing the Number of Stacking Pairs | The paper investigates the computational problem of predicting RNA secondary structures. The general belief is that allowing pseudoknots makes the problem hard. Existing polynomial-time algorithms are heuristic algorithms with no performance guarantee and can only handle limited types of pseudoknots. In this paper we i... | [
"cs.CE",
"cs.DS",
"q-bio"
] | null | [
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{
"author_id": "s ieong_1",
"name": "Samuel Ieong",
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{
"author_id": "m kao_1",
"name": "Ming-Yang Kao",
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"num... | null |
1471 | cs/0111050 | 2001-11-19 | Smoothed Analysis of Algorithms: Why the Simplex Algorithm Usually Takes Polynomial Time | We introduce the smoothed analysis of algorithms, which is a hybrid of the worst-case and average-case analysis of algorithms. In smoothed analysis, we measure the maximum over inputs of the expected performance of an algorithm under small random perturbations of that input. We measure this performance in terms of both... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18152743 | astro-ph/0111385 | 2001-11-20 | Evolutionary models for low-mass stars and brown dwarfs: uncertainties and limits at very young ages | We analyse pre-Main Sequence evolutionary tracks for low mass stars with masses $m \le 1.4 \msol$ based on the Baraffe et al. (1998) input physics. We also extend the recent Chabrier et al. (2000) evolutionary models based on dusty atmosphere to young brown dwarfs down to one mass of Jupiter. We analyse current theoret... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14433948 | astro-ph/0111408 | 2001-11-21 | A precision calculation of the effective number of cosmological neutrinos | The neutrino energy density of the Universe can be conveniently parametrized in terms of the so-called effective number of neutrinos, N_nu^eff. This parameter enters in several cosmological observables. In particular it is an important input in those numerical codes, like CMBFAST, which are used to study the Cosmic Mic... | [
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
21629934 | astro-ph/0111433 | 2001-11-22 | Intermediate-band Surface Photometry of the Edge-on Galaxy: NGC 4565 | We present a deep, 42.79 hr image of the nearby, edge-on galaxy NGC 4565 in the Beijing-Arizona-Taipei-Connecticut (BATC) 6660A band using the large-format CCD system on the 0.6m Schmidt telescope at the Xinglong Station of the National Astronomical Observatories of China (NAOC). we obtain a final image that is calibra... | [
"astro-ph"
] | null | [
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{
"corpus_id": "14795908",
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},
{
"corpus_id": "42100478",
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] | [
{
"author_id": "h wu_99",
"name": "Hong Wu",
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},
{
"author_id": "d burstein_1",
"name": "David Burstein",
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2761306 | cs/0111058 | 2001-11-23 | Bayesian Logic Programs | Bayesian networks provide an elegant formalism for representing and reasoning about uncertainty using probability theory. Theyare a probabilistic extension of propositional logic and, hence, inherit some of the limitations of propositional logic, such as the difficulties to represent objects and relations. We introduce... | [
"cs.AI",
"cs.LO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k kersting_1",
"name": "Kristian Kersting",
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},
{
"author_id": "l raedt_1",
"name": "Luc [\"De\"] Raedt",
"publication_history": null,
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"num_papers":... | null |
14217439 | nlin/0111055 | 2001-11-23 | Going with the Flow: a Lagrangian approach to self-similar dynamics and its consequences | We present a systematic computational approach to the study of self-similar dynamics. The approach, through the use of what can be thought of as a ``dynamic pinning condition" factors out self-similarity, and yields a transformed, non-local evolution equation. The approach, which is capable of treating both first and s... | [
"nlin.AO",
"nlin.PS"
] | null | [
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{
"author_id": "d aronson_0",
"name": "D. [\"G.\"] Aronson",
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},
{
"author_id": "s betelú_0",
"name": "Santiago Betelú",
"publication_history": null,
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"num_papers": ... | null |
5961323 | hep-ph/0111311 | 2001-11-23 | Dimming Supernovae without Cosmic Acceleration | We present a simple model where photons propagating in extra-galactic magnetic fields can oscillate into very light axions. The oscillations may convert some of the photons departing a distant supernova into axions, making the supernova appear dimmer and hence more distant than it really is. Averaging over different co... | [
"hep-ph",
"astro-ph",
"gr-qc",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15792294 | astro-ph/0111456 | 2001-11-23 | Direct Detection of CDM Substructure | We devise a method to measure the abundance of satellite halos in gravitational lens galaxies, and apply our method to a sample of 7 lens systems. After using Monte Carlo simulations to verify the method, we find that substructure comprises fraction f=0.02 (median, 0.006<f<0.07 at 90% confidence) of the mass of typical... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14334084 | hep-th/0111222 | 2001-11-23 | Exact Correlators of Giant Gravitons from dual N=4 SYM | A class of correlation functions of half-BPS composite operators are computed exactly (at finite $N$) in the zero coupling limit of N=4 SYM theory. These have a simple dependence on the four-dimensional spacetime coordinates and are related to correlators in a one-dimensional Matrix Model with complex Matrices obtained... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17284811 | astro-ph/0111457 | 2001-11-23 | An XMM-Newton timing analysis of the eclipsing polar DP Leo | We present an analysis of the X-ray light curves of the magnetic cataclysmic variable DP Leo using recently performed XMM-Newton EPIC and archival ROSAT PSPC observations. We determine the eclipse length at X-ray wavelengths to be 235 +-5 s, slightly longer than at ultra-violet wavelengths, where it lasts 225s. The imp... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2155690 | gr-qc/0111087 | 2001-11-26 | Coframe energy-momentum current. Algebraic properties | The coframe (teleparallel) description of gravity is known as a viable alternative to GR. One of advantages of this model is the existence of a conserved energy-momentum current witch is covariant under all symmetries of the three-parameter Lagrangian. In this paper we study the relation between the covector valued cur... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y itin_1",
"name": "Y. Itin",
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"h_index": null,
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}
] | null |
7834100 | physics/0111199 | 2001-11-27 | DNA hybridization to mismatched templates: a chip study | High-density oligonucleotide arrays are among the most rapidly expanding technologies in biology today. In the {\sl GeneChip} system, the reconstruction of the target concentration depends upon the differential signal generated from hybridizing the target RNA to two nearly identical templates: a perfect match (PM) and ... | [
"physics.bio-ph",
"physics.data-an",
"q-bio"
] | null | [
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{
"author_id": "f naef_1",
"name": "Félix Naef",
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{
"author_id": "d lim_14",
"name": "Daniel [\"A.\"] Lim",
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... | null |
117046075 | quant-ph/0111144 | 2001-11-27 | Extension of quantum information theory to curved spacetimes | The representation of measurements by positive operator valued measures and the description of the most general state transformations by means of completely positive maps are two basic concepts of quantum information theory. These concepts can be trivially extended to field theories in curved spacetime if all the repre... | [
"quant-ph",
"gr-qc",
"hep-th"
] | null | [
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] | [] | [
{
"author_id": "d terno_1",
"name": "Daniel [\"R.\"] Terno",
"publication_history": null,
"h_index": null,
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}
] | null |
14487268 | astro-ph/0111544 | 2001-11-28 | Detection of an Extrasolar Planet Atmosphere | We report high precision spectrophotometric observations of four planetary transits of HD 209458, in the region of the sodium resonance doublet at 589.3 nm. We find that the photometric dimming during transit in a bandpass centered on the sodium feature is deeper by (2.32 +/- 0.57) x 10^{-4} relative to simultaneous ob... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1476543 | cs/0111060 | 2001-11-28 | Gradient-based Reinforcement Planning in Policy-Search Methods | We introduce a learning method called ``gradient-based reinforcement planning'' (GREP). Unlike traditional DP methods that improve their policy backwards in time, GREP is a gradient-based method that plans ahead and improves its policy before it actually acts in the environment. We derive formulas for the exact policy ... | [
"cs.AI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i kwee_0",
"name": "Ivo Kwee",
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{
"author_id": "m hutter_1",
"name": "Marcus Hutter",
"publication_history": null,
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"num_c... | null |
21331062 | cond-mat/0111544 | 2001-11-28 | Evidence of a d to s-wave pairing symmetry transition in the electron-doped cuprate superconductor Pr$_{2-x}$Ce$_x$CuO$_4$ | We present point contact spectroscopy (PCS) data for junctions between a normal metal and the electron doped cuprate superconductor Pr$_{2-x}$Ce$_x$CuO$_4$ (PCCO). For the underdoped compositions of this cuprate ($x \sim 0.13$) we observe a peak in the conductance-voltage characteristics of the point contact junctions.... | [
"cond-mat.supr-con"
] | null | [
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] | [] | [
{
"author_id": "a biswas_9",
"name": "Amlan Biswas",
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{
"author_id": "p fournier_2",
"name": "Patrick Fournier",
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"num_papers": null,... | null |
14105490 | physics/0111204 | 2001-11-29 | The Cochlear Tuning Curve | The tuning curve of the cochlea measures how large an input is required to elicit a given output level as a function of the frequency. It is a fundamental object of auditory theory, for it summarizes how to infer what a sound was on the basis of the cochlear output. A simple model is presented showing that only two ele... | [
"physics.bio-ph"
] | null | [
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{
"author_id": "m magnasco_1",
"name": "Marcelo [\"O.\"] Magnasco",
"publication_history": null,
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}
] | null |
117623685 | hep-th/0111272 | 2001-11-29 | Gauge Invariance and Gauge-Factor Group in Causal Yang-Mills Theory | In the present work the gauge invariance of causal Yang-Mills theory will be proven with the aid of the gauge-factor group. For that purpose it must be shown, that the operator valued distributions T_n and D_n(ret) occurring in the causal S-matrix construction can be written, after applying the gauge variation d_Q, as ... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n emmenegger_1",
"name": "Nicolas Emmenegger",
"publication_history": null,
"h_index": null,
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"num_citations": null
}
] | null |
16924619 | hep-ph/0111421 | 2001-11-29 | Recent Results from PHENIX | I report on results from the PHENIX collaboration for the first RHIC run, where gold ions were collided at $\sqrt{s_{NN}}=130 GeV$. In order to study initial conditions, PHENIX has measured the ratio between anti-protons and protons, the transverse energy, and charged multiplicity as a function of collision centrality.... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k barish_1",
"name": "Kenneth [\"N.\"] Barish",
"publication_history": null,
"h_index": null,
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}
] | null |
14342213 | gr-qc/0111111 | 2001-11-30 | Analogue models of and for gravity | Condensed matter systems, such as acoustics in flowing fluids, light in moving dielectrics, or quasiparticles in a moving superfluid, can be used to mimic aspects of general relativity. More precisely these systems (and others) provide experimentally accessible models of curved-space quantum field theory. As such they ... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17563291 | astro-ph/0111573 | 2001-11-30 | Optical Spectra of Supernovae | Supernova flux and polarization spectra bring vital information on the geometry, physical conditions, and composition structure of the ejected matter. For some supernovae the circumstellar matter is also probed by the observed spectra. Some of this information can be inferred directly from the observed line profiles an... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14882764 | astro-ph/0111589 | 2001-11-30 | The cosmic microwave background radiation temperature at z = 3.025 toward QSO 0347--3819 | From the analysis of the CII fine-structure population ratio in the damped Ly_alpha system at z = 3.025 toward the quasar Q0347--3819 we derive an upper bound of 14.6 (+/- 0.2) K on the cosmic microwave background temperature regardless the presence of other different excitation mechanisms. The analysis of the ground s... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p molaro_1",
"name": "Paolo Molaro",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s levshakov_1",
"name": "Sergei [\"A.\"] Levshakov",
"publication_history": null,
"h_index": null,
"num_pape... | null |
119394680 | astro-ph/0111606 | 2001-11-30 | Mass Reconstruction with CMB Polarization | Weak gravitational lensing by the intervening large-scale structure of the Universe induces high-order correlations in the cosmic microwave background (CMB) temperature and polarization fields. We construct minimum variance estimators of the intervening mass distribution out of the six quadratic combinations of the tem... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15257881 | quant-ph/0112007 | 2001-12-01 | Distinguishing separable and entangled states | We show how to design families of operational criteria that distinguish entangled from separable quantum states. The simplest of these tests corresponds to the well-known Peres-Horodecki positive partial transpose (PPT) criterion, and the more complicated tests are strictly stronger. The new criteria are tractable due ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | [] | null | null |
16173620 | math/0112008 | 2001-12-01 | The coarea formula for Sobolev mappings | We extend Federer's coarea formula to mappings $f$ belonging to the Sobolev class $W^{1,p}(R^n;R^m)$, $1 \le m < n$, $p>m$, and more generally, to mappings with gradient in the Lorentz space $L^{m,1}(R^n)$. This is accomplished by showing that the graph of $f$ in $R^{n+m}$ is a Hausdorff $n$-rectifiable set. | [
"math.CA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119380004 | cond-mat/0112040 | 2001-12-03 | Kinetic energy density functionals for non-periodic systems | Kinetic energy functionals of the electronic density are used to model large systems in the context of density functional theory, without the need to obtain electronic wavefunctions. We discuss the problems associated with the application of widely used kinetic energy functionals to non-periodic systems. We develop a m... | [
"cond-mat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6798266 | math-ph/0112003 | 2001-12-03 | Rigorous Solution of the Gardner Problem | We prove rigorously the well-known result of Gardner about the typical fractional volume of interactions between N spins which solve the problem of storing a given set of random patterns. The Gardner formula for this volume in the limit N,p \to \infty, p/N \to \alpha is proven for all values of \alpha. Besides, we prov... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9757200 | math/0112017 | 2001-12-03 | Adaptive Mollifiers for High Resolution Recovery of Piecewise Smooth Data from its Spectral Information | We discuss the reconstruction of piecewise smooth data from its (pseudo-) spectral information. Spectral projections enjoy superior resolution provided the data is globally smooth, while the presence of jump discontinuities is responsible for spurious ${\cal O}(1)$ Gibbs oscillations in the neighborhood of edges and an... | [
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
33412903 | cond-mat/0112038 | 2001-12-03 | Electron correlation effects and ferromagnetism in Iron | Electron correlation effects in Fe are analyzed using a first principles LCAO-scheme. In our approach, we first use a local orbital DFT-LDA solution to introduce a Hubbard Hamiltonian without fitting parameters. In a second step, we introduce a many-body solution to this Hamiltonian using a DMF approximation. Our analy... | [
"cond-mat.str-el",
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p pou_1",
"name": "Pablo Pou",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "f flores_1",
"name": "Fernando Flores",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num... | null |
41208143 | nucl-ex/0112001 | 2001-12-03 | Pseudorapidity distributions of charged particles from Au+Au collisions at the maximum RHIC energy, Sqrt(s_NN) = 200 GeV | We present charged particle densities as a function of pseudorapidity and collision centrality for the 197Au+197Au reaction at Sqrt{s_NN}=200 GeV. For the 5% most central events we obtain dN_ch/deta(eta=0) = 625 +/- 55 and N_ch(-4.7<= eta <= 4.7) = 4630+-370, i.e. 14% and 21% increases, respectively, relative to Sqrt{s... | [
"nucl-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7583247 | astro-ph/0112084 | 2001-12-04 | A probable planetary companion to HD 39091 from the Anglo-Australian Planet Search | We report the detection of a extrasolar planet candidate orbiting the G1 V star HD 39091. The orbital period is 2083 d and the eccentricity is 0.62. With a minimum (M sin $i$) mass of 10.3 M$_{\rm JUP}$ this object falls near the high mass end of the observed planet mass function, and may plausibly be a brown dwarf. Ot... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15310621 | astro-ph/0112086 | 2001-12-04 | An HST Census of Nuclear Star Clusters in Late-Type Spiral Galaxies: I. Observations and Image Analysis | We present new HST I-band images of a sample of 77 nearby, late-type spiral galaxies with low inclination. The main purpose of this catalog is to study the frequency and properties of nuclear star clusters. In 59 galaxies of our sample, we have identified a distinct, compact (but resolved), and dominant source at or ve... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119350731 | astro-ph/0112074 | 2001-12-04 | Radio-to-FIR Spectral Energy Distribution and Photometric Redshifts for Dusty Starburst Galaxies | As a logical next step in improving the radio-to-submm spectral index as a redshift indicator (Carilli & Yun 1999), we have investigated a technique of using the entire radio-to-FIR spectral energy distribution (SED) for deriving photometric redshifts for dusty starburst galaxies at high redshift. A dusty starburst SED... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53305024 | cs/0112006 | 2001-12-05 | A Logic Programming Approach to Knowledge-State Planning: Semantics and Complexity | We propose a new declarative planning language, called K, which is based on principles and methods of logic programming. In this language, transitions between states of knowledge can be described, rather than transitions between completely described states of the world, which makes the language well-suited for planning... | [
"cs.AI",
"cs.LO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8140735 | astro-ph/0112161 | 2001-12-06 | The 2dF Galaxy Redshift Survey: The bias of galaxies and the density of the Universe | We compute the bispectrum of the 2dF Galaxy Redshift Survey (2dFGRS) and use it to measure the bias parameter of the galaxies. This parameter quantifies the strength of clustering of the galaxies relative to the mass in the Universe. By analysing 80 million triangle configurations in the wavenumber range 0.1 < k < 0.5 ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13142324 | astro-ph/0112138 | 2001-12-06 | Pseudo Elliptical Lensing Mass Model: Application to the NFW Mass Distribution | We introduce analytical expressions for a pseudo fully analytical elliptical projected Navarro, Frenk & White (NFW) mass profile to be used in lensing equations. We propose a formalism that incorporates the ellipticity into the expression for the lens potential, producing a pseudo-elliptical mass distribution. This app... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1018131 | math-ph/0112008 | 2001-12-06 | Sum Rules for Jacobi Matrices and Their Applications to Spectral Theory | We discuss the proof of and systematic application of Case's sum rules for Jacobi matrices. Of special interest is a linear combination of two of his sum rules which has strictly positive terms. Among our results are a complete classification of the spectral measures of all Jacobi matrices J for which J-J_0 is Hilbert-... | [
"math-ph",
"math.CA",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2444655 | cond-mat/0112110 | 2001-12-07 | Community structure in social and biological networks | A number of recent studies have focused on the statistical properties of networked systems such as social networks and the World-Wide Web. Researchers have concentrated particularly on a few properties which seem to be common to many networks: the small-world property, power-law degree distributions, and network transi... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
14131508 | astro-ph/0112172 | 2001-12-07 | The ANTARES Optical Module | The ANTARES collaboration is building a deep sea neutrino telescope in the Mediterranean Sea. This detector will cover a sensitive area of typically 0.1 km-squared and will be equipped with about 1000 optical modules. Each of these optical modules consists of a large area photomultiplier and its associated electronics ... | [
"astro-ph",
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
122002257 | hep-ex/0112010 | 2001-12-07 | Production of Ds** mesons in hadronic Z decays | The production rates of the orbitally excited Ds** mesons, Ds1 and Ds2*, are measured with the 4.1 million hadronic Z decays recorded by the ALEPH detector during 1991--1995. The Ds** mesons are reconstructed in the decay modes Ds1+ -> D*+ K0, Ds1+ -> D*0 K+ and Ds2*+ -> D0 K+. The production rate of the Ds1 is measure... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "119398064",
"num_citations": null
}
] | [
{
"author_id": "a heister_1",
"name": "Arno Heister",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s schael_1",
"name": "Stefan Schael",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
118304030 | hep-th/0112053 | 2001-12-07 | Noncommutative quantum mechanics as a constrained system | It is shown that quantum mechanics on noncommutative spaces (NQM) can be obtained by the canonical quantization of some underlying second class constrained system formulated in extended configuration space. It leads, in particular, to an intriguing possibility of quantization in terms of the initial (noncommutative) va... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18429445 | math/0112073 | 2001-12-07 | Descent Representations and Multivariate Statistics | Combinatorial identities on Weyl groups of types $A$ and $B$ are derived from special bases of the corresponding coinvariant algebras. Using the Garsia-Stanton descent basis of the coinvariant algebra of type $A$ we give a new construction of the Solomon descent representations. An extension of the descent basis to typ... | [
"math.CO",
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18089605 | hep-ex/0112011 | 2001-12-07 | Search for scalar leptons in e+e- collisions at centre-of-mass energies up to 209GeV | A search for selectron, smuon and stau pair production is performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV. The numbers of candidate events are consistent with the background predicted by the Standard Model. Final mass limits from ALEPH are reported. | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a heister_1",
"name": "Arno Heister",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s schael_1",
"name": "Stefan Schael",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
13996254 | cond-mat/0112143 | 2001-12-08 | Pseudofractal Scale-free Web | We find that scale-free random networks are excellently modeled by a deterministic graph. This graph has a discrete degree distribution (degree is the number of connections of a vertex) which is characterized by a power-law with exponent $\gamma=1+\ln3/\ln2$. Properties of this simple structure are surprisingly close t... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17973068 | cond-mat/0112193 | 2001-12-11 | Thermal conduction in classical low-dimensional lattices | Deriving macroscopic phenomenological laws of irreversible thermodynamics from simple microscopic models is one of the tasks of non-equilibrium statistical mechanics. We consider stationary energy transport in crystals with reference to simple mathematical models consisting of coupled oscillators on a lattice. The role... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference",
"target.key_reference"
] | [] | [
{
"author_id": "s lepri_2",
"name": "Stefano Lepri",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r livi_1",
"name": "Roberto Livi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
17696535 | math/0112130 | 2001-12-12 | The Calderon problem for conormal potentials, I: Global uniqueness and reconstruction | In dimensions greater than or equal to three, we establish global uniqueness and obtain reconstruction in the Calderon problem for the Schrodinger equation with certain singular potentials. The potentials considered are conormal of order less than 1-k with respect to submanifolds (of arbitrary codimension k). This give... | [
"math.AP",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13354269 | quant-ph/0203016 | 2001-12-12 | Direct estimations of linear and non-linear functionals of a quantum state | We present a simple quantum network, based on the controlled-SWAP gate, that can extract certain properties of quantum states without recourse to quantum tomography. It can be used used as a basic building block for direct quantum estimations of both linear and non-linear functionals of any density operator. The networ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7861023 | hep-th/0112119 | 2001-12-13 | Holographic Renormalization | We systematically develop the procedure of holographic renormalization for RG flows dual to asymptotically AdS domain walls. All divergences of the on-shell bulk action can be cancelled by adding covariant local boundary counterterms determined by the near-boundary behavior of bulk fields. This procedure defines a reno... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15676482 | astro-ph/0112312 | 2001-12-13 | Effects of neutrino oscillations on the supernova signal in LVD | We study the impact of neutrino oscillations on the supernova neutrino signal in the Large Volume Detector (LVD). The number of expected events for a galactic supernova (D=10 kpc) is calculated, assuming neutrino masses and mixing that explain solar and atmospheric neutrino results. The possibility to detect neutrinos ... | [
"astro-ph",
"hep-ex",
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m aglietta_1",
"name": "Massimo Aglietta",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p antonioli_1",
"name": "Pietro Antonioli",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
14354954 | astro-ph/0112363 | 2001-12-14 | Looptop Hard X-Ray Emission in Solar Flares: Images and Statistics | The discovery of hard X-ray sources near the top of a flaring loop by the HXT instrument on board the YOHKOH satellite represents a significant progress towards the understanding of the basic processes driving solar flares. In this paper we extend the previous study of limb flares by Masuda (1994) by including all YOHK... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14184843 | quant-ph/0112086 | 2001-12-15 | Quantum lower bounds for the collision and the element distinctness problems | Given a function f as an oracle, the collision problem is to find two distinct inputs i and j such that f(i)=f(j), under the promise that such inputs exist. Since the security of many fundamental cryptographic primitives depends on the hardness of finding collisions, quantum lower bounds for the collision problem would... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1243491 | cs/0112018 | 2001-12-15 | Fast Context-Free Grammar Parsing Requires Fast Boolean Matrix Multiplication | In 1975, Valiant showed that Boolean matrix multiplication can be used for parsing context-free grammars (CFGs), yielding the asympotically fastest (although not practical) CFG parsing algorithm known. We prove a dual result: any CFG parser with time complexity $O(g n^{3 - \epsilson})$, where $g$ is the size of the gra... | [
"cs.CL",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16913424 | cond-mat/0112294 | 2001-12-16 | Spin Coulomb drag in the two-dimensional electron liquid | We calculate the spin-drag transresistivity $\rho_{\uparrow \downarrow}(T)$ in a two-dimensional electron gas at temperature $T$ in the random phase approximation. In the low-temperature regime we show that, at variance with the three-dimensional low-temperature result [$\rho_{\uparrow\downarrow}(T) \sim T^2$], the spi... | [
"cond-mat.str-el",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17104773 | cond-mat/0112311 | 2001-12-17 | Stress transmission in granular matter | The transmission of forces through a disordered granular system is studied by means of a geometrical-topological approach that reduces the granular packing into a set of layers. This layered structure constitutes the skeleton through which the force chains set up. Given the granular packing, and the region where the fo... | [
"cond-mat.soft",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t aste_1",
"name": "Tomaso Aste",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t matteo_1",
"name": "Tiziana [\"di\"] Matteo",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
17506872 | math-ph/0112035 | 2001-12-17 | On the Bi-Hamiltonian Theory for the Harry Dym Equation | We describe how the Harry Dym equation fits into the the bi-Hamiltonian formalism for the Korteweg-de Vries equation and other soliton equations. This is achieved by means of a certain Poisson pencil constructed from two compatible Poisson structures. We obtain an analogue of the Kadomtsev-Petviashivili hierarchy whose... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "1841392",
"num_citations": null
},
{
"corpus_id": "14447273",
"num_citations": null
}
] | [
{
"author_id": "m pedroni_1",
"name": "Marco Pedroni",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v sciacca_2",
"name": "Vincenzo Sciacca",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
8497077 | math/0112172 | 2001-12-17 | Seismic inverse scattering in the `wave-equation' approach | Seismic data are commonly modeled by a high-frequency single scattering approximation. This amounts to a linearization in the medium coefficient about a smooth background. The discontinuities are contained in the medium perturbation. The wave solutions in the background medium admit a geometrical optics representation.... | [
"math.AP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c stolk_1",
"name": "Christiaan [\"C.\"] Stolk",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m hoop_1",
"name": "Maarten [\"V.\",\"de\"] Hoop",
"publication_history": null,
"h_index": null,
... | null |
10803145 | quant-ph/0112106 | 2001-12-18 | Approximate quantum error correction | The errors that arise in a quantum channel can be corrected perfectly if and only if the channel does not decrease the coherent information of the input state. We show that, if the loss of coherent information is small, then approximate error correction is possible. | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119388885 | astro-ph/0112457 | 2001-12-19 | Peculiar velocity effects in high-resolution microwave background experiments | We investigate the impact of peculiar velocity effects due to the motion of the solar system relative to the microwave background (CMB) on high resolution CMB experiments. It is well known that on the largest angular scales the combined effects of Doppler shifts and aberration are important; the lowest Legendre multipo... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15055139 | hep-th/0112197 | 2001-12-20 | Brane/Flux Annihilation and the String Dual of a Non-Supersymmetric Field Theory | We consider the dynamics of p anti-D3 branes inside the Klebanov-Strassler geometry, the deformed conifold with M units of RR 3-form flux around the S^3. We find that for p<<M the system relaxes to a nonsupersymmetric NS 5-brane ``giant graviton'' configuration, which is classically stable, but quantum mechanically can... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
51814894 | astro-ph/0112477 | 2001-12-20 | Radial Velocities for 889 Late-type Stars | We report radial velocities for 844 FGKM-type main sequence and subgiant stars and 45 K giants, most of which had either low-precision velocity measurements or none at all. These velocities differ from the standard stars of Udry et al. by 0.035 km/s (RMS) for the 26 FGK standard stars in common. The zero-point of our v... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14794043 | astro-ph/0112530 | 2001-12-21 | Distant Cluster Hunting I: A Comparison Between the Optical and X-ray Luminosity Functions from an Optical/X-ray Survey | We present a comparison of X-ray and optical luminosities and luminosity functions of cluster candidates from a joint optical/X-ray survey, the ROSAT Optical X-Ray Survey. Completely independent X-ray and optical catalogs of 23 ROSAT fields (4.8 deg2) were created by a matched-filter optical algorithm and by a wavelet ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15148790 | astro-ph/0112528 | 2001-12-21 | A Fractal Origin for the Mass Spectrum of Interstellar Clouds: II. Cloud Models and Power Law Slopes | Three-dimensional fractal models on grids of 200**3 pixels are generated from the inverse Fourier transform of noise with a power law cutoff, exponentiated to give a log normal distribution of density. The fractals are clipped at various intensity levels and the mass and size distribution functions of the clipped peaks... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
19037664 | astro-ph/0112529 | 2001-12-21 | Distant Cluster Hunting II: A comparison of X-ray and optical cluster detection techniques and catalogs from the ROX Survey | We present and analyze the optical and X-ray catalogs of moderate-redshift cluster candidates from the ROSAT Optical X-ray Survey, or ROXS. The survey covers 4.8 square degrees (23 ROSAT PSPC pointings). The cross-correlated cluster catalogs were constructed by comparing two independent catalogs extracted from the opti... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17793998 | hep-ph/0112297 | 2001-12-21 | On the energy and baseline optimization to study effects related to the $\delta$-phase (CP-/T-violation) in neutrino oscillations at a Neutrino Factory | In this paper we discuss the detection of CP and T-violation effects in the framework of a neutrino factory. We introduce three quantities, which are good discriminants for a non vanishing complex phase ($\delta$) in the $3\times 3$ neutrino mixing matrix. We find that these three discriminants (in vacuum) all scale wi... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a bueno_1",
"name": "Antonio Bueno",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m campanelli_3",
"name": "Mario Campanelli",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
14575584 | math/0112244 | 2001-12-21 | Regularity of finite-dimensional realizations for Evolution Equations | We show that a continuous local semiflow of $C^k$-maps on a finite-dimensional $C^k$-manifold M can be embedded into a local $C^k$-flow on M under some weak (necessary) assumptions. This result is applied to an open problem in [fil/tei:01]. We prove that finite-dimensional realizations for interest rate models are high... | [
"math.FA",
"math.DG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d filipović_1",
"name": "Damir Filipović",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j teichmann_1",
"name": "Josef Teichmann",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
119475998 | astro-ph/0112522 | 2001-12-21 | Interacting Dark Matter disguised as Warm Dark Matter | We explore some of the consequences of Dark Matter-photon interactions on structure formation, focusing on the evolution of cosmological perturbations and performing both an analytical and a numerical study. We compute the cosmic microwave background anisotropies and matter power spectrum in this class of models. We fi... | [
"astro-ph",
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18522734 | hep-th/0112218 | 2001-12-21 | Conformal Vacua and Entropy in de Sitter Space | The dS/CFT correspondence is illuminated through an analysis of massive scalar field theory in d-dimensional de Sitter space. We consider a one-parameter family of dS-invariant vacua related by Bogolyubov transformations and compute the corresponding Green functions. It is shown that none of these Green functions corre... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
45363717 | math/0112246 | 2001-12-21 | Monte Carlo Tests of SLE Predictions for the 2D Self-Avoiding Walk | The conjecture that the scaling limit of the two-dimensional self-avoiding walk (SAW) in a half plane is given by the stochastic Loewner evolution (SLE) with $\kappa=8/3$ leads to explicit predictions about the SAW. A remarkable feature of these predictions is that they yield not just critical exponents, but probabilit... | [
"math.PR",
"cond-mat",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14944865 | hep-th/0112258 | 2001-12-31 | Multi-Trace Operators, Boundary Conditions, And AdS/CFT Correspondence | We argue that multi-trace interactions in quantum field theory on the boundary of AdS space can be incorporated in the AdS/CFT correspondence by using a more general boundary condition for the bulk fields than has been considered hitherto. We illustrate the procedure for a renormalizable four-dimensional field theory w... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14017760 | math/0112315 | 2001-12-31 | Hitting properties of a random string | We consider Funaki's model of a random string taking values in R^d. It is specified by the following stochastic PDE, du = u_{xx} + W, where W=W(x,t) is two-parameter white noise, also taking values in R^d. We study hitting properties, double points, and recurrence. The main difficulty is that the process has the Markov... | [
"math.PR",
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17483709 | astro-ph/0201034 | 2002-01-03 | Do Type Ia Supernovae prove Lambda > 0 ? | The evidence for positive cosmological constant $\Lambda$ from Type Ia supernovae is reexamined. Both high redshift supernova teams are found to underestimate the effects of host galaxy extinction. The evidence for an absolute magnitude- decay time relation is much weakened if supernovae not observed before maximum lig... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15614683 | astro-ph/0201035 | 2002-01-03 | Obscuring Material around Seyfert Nuclei with Starbursts | The structure of obscuring matter in the environment of active galactic nuclei with associated nuclear starbursts is investigated using 3-D hydrodynamical simulations. Simple analytical estimates suggest that the obscuring matter with energy feedback from supernovae has a torus-like structure with a radius of several t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
75787 | astro-ph/0201055 | 2002-01-04 | The runaway growth of intermediate-mass black holes in dense star clusters | We study the growth rate of stars via stellar collisions in dense star clusters, calibrating our analytic calculations with direct N-body simulations of up to 65536 stars, performed on the GRAPE family of special-purpose computers. We find that star clusters with initial half-mass relaxation times of about 25 Myr are d... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1388421 | cond-mat/0201051 | 2002-01-04 | Two-component Bose-Einstein Condensates with Large Number of Vortices | We consider the condensate wavefunction of a rapidly rotating two-component Bose gas with an equal number of particles in each component. If the interactions between like and unlike species are very similar (as occurs for two hyperfine states of $^{87}$Rb or $^{23}$Na) we find that the two components contain identical ... | [
"cond-mat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17387111 | astro-ph/0201058 | 2002-01-04 | Chandra Discovery of a Tree in the X-ray Forest towards PKS 2155-304: the Local Filament? | We present the first X-ray detection of resonant absorption from warm/hot local gas either in our Galaxy, or in the Intergalactic space surrounding our Galaxy, along the line of sight toward the blazar PKS 2155-304. The Chandra HRCS-LETG spectrum of this z=0.116 source clearly shows unresolved OVII(Ka) and NeIX(Ka) res... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18328783 | astro-ph/0201062 | 2002-01-04 | Bow Shocks from Neutron Stars: Scaling Laws and HST Observations of the Guitar Nebula | The interaction of high-velocity neutron stars with the interstellar medium produces bow shock nebulae, where the relativistic neutron star wind is confined by ram pressure. We present multi-wavelength observations of the Guitar Nebula, including narrow-band H-alpha imaging with HST/WFPC2, which resolves the head of th... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
490030 | hep-th/0201034 | 2002-01-06 | Quantum mechanics on noncommutative plane and sphere from constrained systems | It is shown that quantum mechanics on noncommutative (NC) spaces can be obtained by canonical quantization of some underlying constrained systems. Noncommutative geometry arises after taking into account the second class constraints presented in the models. It leads, in particular, to a possibility of quantization in t... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "118304030",
"num_citations": null
}
] | [
{
"author_id": "a deriglazov_1",
"name": "Alexei [\"A.\"] Deriglazov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
119359017 | hep-ph/0201036 | 2002-01-07 | The Dipole Formalism for Next-to-Leading Order QCD Calculations with Massive Partons | The dipole subtraction method for calculating next-to-leading order corrections in QCD was originally only formulated for massless partons. In this paper we extend its definition to include massive partons, namely quarks, squarks and gluinos. We pay particular attention to the quasi-collinear region, which gives rise t... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15707031 | math/0201048 | 2002-01-07 | Entropy, dimension and the Elton-Pajor Theorem | The Vapnik-Chervonenkis dimension of a set K in R^n is the maximal dimension of the coordinate cube of a given size, which can be found in coordinate projections of K. We show that the VC dimension of a convex body governs its entropy. This has a number of consequences, including the optimal Elton's theorem and a unifo... | [
"math.FA",
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s mendelson_1",
"name": "Shahar Mendelson",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r vershynin_1",
"name": "Roman Vershynin",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
33763588 | cond-mat/0201079 | 2002-01-07 | Criticality in Random Threshold Networks: Annealed Approximation and Beyond | Random Threshold Networks with sparse, asymmetric connections show complex dynamical behavior similar to Random Boolean Networks, with a transition from ordered to chaotic dynamics at a critical average connectivity $K_c$. In this type of model - contrary to Boolean Networks - propagation of local perturbations (damage... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14084249 | astro-ph/0201098 | 2002-01-07 | The Initial Mass Function of Stars: Evidence for Uniformity in Variable Systems | The distribution of stellar masses that form in one star-formation event in a given volume of space is called the initial mass function (IMF). The IMF has been estimated from low-mass brown dwarfs to very massive stars. Combining IMF estimates for different populations in which the stars can be observed individually un... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6913198 | math/0201062 | 2002-01-08 | Approximation of the effective conductivity of ergodic media by periodization | This paper is concerned with the approximation of the effective conductivity $\sigma(A,\mu)$ associated to an elliptic operator $\nabla_x A(x,\eta) \nabla_x$ where for $x\in \R^d$, $d\geq 1$, $A(x,\eta)$ is a bounded elliptic random symmetric $d\times d$ matrix and $\eta$ takes value in an ergodic probability space $(X... | [
"math.PR",
"math-ph",
"math.AP",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h owhadi_1",
"name": "Houman Owhadi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
14073636 | astro-ph/0201101 | 2002-01-08 | Metal abundances and kinematics of quasar absorbers.- I. Absorption systems toward J2233-606 | The metal line profiles of different ions observed in high HI column density systems [N(HI) > 10^{16} cm^{-2}] in quasar spectra can be used to constrain the ionization structure and kinematic characteristics of the absorbers. For these purposes, a modified Monte Carlo Inversion (MCI) procedure was applied to the study... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1472292 | astro-ph/0201133 | 2002-01-09 | Search for non-gaussian signals in the BOOMERanG maps: pixel-space analysis | We search the BOOMERanG maps of the anisotropy of the Cosmic Microwave Background (CMB) for deviations from gaussianity. In this paper we focus on analysis techniques in pixel-space, and compute skewness, kurtosis and Minkowski functionals for the BOOMERanG maps and for gaussian simulations of the CMB sky. We do not fi... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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