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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
431099 | cmp-lg/9612001 | 1996-12-09 | Comparative Experiments on Disambiguating Word Senses: An Illustration of the Role of Bias in Machine Learning | This paper describes an experimental comparison of seven different learning algorithms on the problem of learning to disambiguate the meaning of a word from context. The algorithms tested include statistical, neural-network, decision-tree, rule-based, and case-based classification techniques. The specific problem teste... | [
"cmp-lg",
"cs.CL"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16626312 | cond-mat/9612084 | 1996-12-09 | From one cell to the whole froth: a dynamical map | We investigate two and three-dimensional shell-structured-inflatable froths, which can be constructed by a recursion procedure adding successive layers of cells around a germ cell. We prove that any froth can be reduced into a system of concentric shells. There is only a restricted set of local configurations for which... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "t aste_1",
"name": "Tomaso Aste",
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},
{
"author_id": "d boose_0",
"name": "D. [\"C.\"] Boose",
"publication_history": null,
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... | null |
14987725 | funct-an/9612001 | 1996-12-10 | Commutators of free random variables | Let A be a unital $C^*$-algebra, given together with a specified state $\phi:A \to C$. Consider two selfadjoint elements a,b of A, which are free with respect to $\phi$ (in the sense of the free probability theory of Voiculescu). Let us denote $c:=i(ab-ba)$, where the i in front of the commutator is introduced to make ... | [
"funct-an",
"math.OA",
"math.QA",
"q-alg"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14323875 | cond-mat/9612116 | 1996-12-12 | Finite Size Scaling Analysis of Exact Ground States for +/-J Spin Glass Models in Two Dimensions | With the help of EXACT ground states obtained by a polynomial algorithm we compute the domain wall energy at zero-temperature for the bond-random and the site-random Ising spin glass model in two dimensions. We find that in both models the stability of the ferromagnetic AND the spin glass order ceases to exist at a UNI... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18543370 | hep-lat/9612014 | 1996-12-15 | Krylov space solvers for shifted linear systems | We investigate the application of Krylov space methods to the solution of shifted linear systems of the form (A+\sigma) x - b = 0 for several values of \sigma simultaneously, using only as many matrix-vector operations as the solution of a single system requires. We find a suitable description of the problem, allowing ... | [
"hep-lat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8738472 | cmp-lg/9612003 | 1996-12-17 | Metrics for Evaluating Dialogue Strategies in a Spoken Language System | In this paper, we describe a set of metrics for the evaluation of different dialogue management strategies in an implemented real-time spoken language system. The set of metrics we propose offers useful insights in evaluating how particular choices in the dialogue management can affect the overall quality of the man-ma... | [
"cmp-lg",
"cs.CL"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8935856 | astro-ph/9612232 | 1996-12-26 | Equation of State of the Photoionized Intergalactic Medium | We develop an efficient method to study the effects of reionization history on the temperature-density relation of the intergalactic medium in the low density limit (overdensity less than 5). It is applied to the study of photo-reionization models in which the amplitude, spectrum and onset epoch of the ionizing flux, a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119512827 | physics/9612018 | 1996-12-31 | Fluid Models for Kinetic Effects on Coherent Nonlinear Alfven Waves. II. Numerical Solutions | The influence of various kinetic effects (e.g. Landau damping, diffusive and collisional dissipation, and finite Larmor radius terms) on the nonlinear evolution of finite amplitude Alfvenic wave trains in a finite-beta environment is systematically investigated using a novel, kinetic nonlinear Schrodinger (KNLS) equati... | [
"physics.plasm-ph",
"adap-org",
"astro-ph",
"nlin.AO",
"nlin.PS",
"patt-sol",
"physics.space-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m medvedev_1",
"name": "Mikhail [\"V.\"] Medvedev",
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},
{
"author_id": "v shevchenko_3",
"name": "Valentin Shevchenko",
"publication_history": null,
"h_index": null,
... | null |
13403194 | quant-ph/9701001 | 1997-01-01 | Strengths and Weaknesses of Quantum Computing | Recently a great deal of attention has focused on quantum computation following a sequence of results suggesting that quantum computers are more powerful than classical probabilistic computers. Following Shor's result that factoring and the extraction of discrete logarithms are both solvable in quantum polynomial time,... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119350577 | astro-ph/9701008 | 1997-01-04 | Towards Optimal Measurement of Power Spectra I: Minimum Variance Pair Weighting and the Fisher Matrix | This is the first of a pair of papers which address the problem of measuring the unredshifted power spectrum in optimal fashion from a survey of galaxies, with arbitrary geometry, for Gaussian or non-Gaussian fluctuations, in real or redshift space. In this first paper, that pair weighting is derived which formally min... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13461857 | astro-ph/9701009 | 1997-01-04 | Towards Optimal Measurement of Power Spectra II: A Basis of Positive, Compact, Statistically Orthogonal Kernels | This is the second of two papers which address the problem of measuring the unredshifted power spectrum of fluctuations from a galaxy survey in optimal fashion. A key quantity is the Fisher matrix, which is the inverse of the covariance matrix of minimum variance estimators of the power spectrum of the survey. It is sh... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18500466 | astro-ph/9701017 | 1997-01-06 | Radiative Transfer Analysis of Far-UV Background Observations Obtained with the Far-Ultraviolet Space Telescope (FAUST) | In 1992 the Far-Ultraviolet Space Telescope (FAUST) provided measurements of the ultraviolet (140-180nm) diffuse sky background at high, medium, and low Galactic latitudes. A significant fraction of the detected radiation was found to be of Galactic origin, resulting from scattering by dust in the diffuse interstellar ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119077384 | astro-ph/9701034 | 1997-01-08 | Infall Regions of Galaxy Clusters | In hierarchical clustering, galaxy clusters accrete mass through the aggregation of smaller systems. Thus, the velocity field of the infall regions of clusters contains significant random motion superimposed on radial infall. Because the purely spherical infall model does not predict the amplitude of the velocity field... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13152124 | cond-mat/9701055 | 1997-01-08 | Quantum Computation with Quantum Dots | We propose a new implementation of a universal set of one- and two-qubit gates for quantum computation using the spin states of coupled single-electron quantum dots. Desired operations are effected by the gating of the tunneling barrier between neighboring dots. Several measures of the gate quality are computed within ... | [
"cond-mat.mes-hall",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1435589 | astro-ph/9701051 | 1997-01-10 | Low Surface Brightness Galaxies in the Local Universe. III. Implications for the Field Galaxy Luminosity Function | We present a luminosity function for low surface brightness (LSB) galaxies identified in the APM survey of Impey et al 1996. These galaxies have central surface brightnesses in B in the range 22 < mu < 25. Using standard maximum-likelihood estimators, we determine that the best-fit Schechter function parameters for thi... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53580629 | quant-ph/9701015 | 1997-01-14 | Capacities of Quantum Erasure Channels | The quantum analog of the classical erasure channel provides a simple example of a channel whose asymptotic capacity for faithful transmission of intact quantum states, with and without the assistance of a two-way classical side channel, can be computed exactly. We derive the quantum and classical capacities for the qu... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6754594 | cond-mat/9701148 | 1997-01-21 | Circles, Spheres and Drops Packings | We studied the geometrical and topological rules underlying the dispositions and the size distribution of non-overlapping, polydisperse circle-packings. We found that the size distribution of circles that densely cover a plane follows the power law: $N(R) \propto R^{-\alpha}$. We obtained an approximate expression whic... | [
"cond-mat.mtrl-sci"
] | 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
}
] | null |
16809827 | hep-ph/9701336 | 1997-01-21 | Search of Stop, Sbottom, $\tau$-Sneutrino, and Stau at an $e^+e^-$ Linear Collider with $\sqrt{s}=0.5 - 2$ TeV | We discuss pair production and decays of stops, sbottoms, $\tau$-sneutrinos, and staus in $e^+e^-$ annihilation in the energy range $\sqrt{s} = 500 GeV$ to 2 TeV. Numerical predictions within the Minimal Supersymmetric Standard Model (MSSM) for cross sections and decay rates are presented. We study the stop discovery p... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a bartl_1",
"name": "Alfred Bartl",
"publication_history": null,
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"num_citations": null
},
{
"author_id": "h eberl_1",
"name": "Helmut Eberl",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
119101653 | astro-ph/9701160 | 1997-01-21 | The Influence of the Photoionizing Radiation Spectrum on Metal-Line Ratios in Ly alpha Forest Clouds | Recent measurements of Si IV/C IV ratios in the high-redshift Ly-alpha forest (Songaila & Cowie, AJ, 112, 335 [1996a]; Savaglio et al., A&A, in press [1997]) have opened a new window on chemical enrichment and the first generations of stars. However, the derivation of accurate Si/C abundances requires reliable ionizati... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8861851 | chao-dyn/9701022 | 1997-01-22 | Bifurcations of Periodic Orbits and Uniform Approximations | We derive uniform approximations for contributions to Gutzwiller's periodic-orbit sum for the spectral density which are valid close to bifurcations of periodic orbits in systems with mixed phase space. There, orbits lie close together and give collective contributions, while the individual contributions of Gutzwiller'... | [
"chao-dyn",
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119377144 | cond-mat/9701163 | 1997-01-22 | Tunneling and orthogonality catastrophe in the topological mechanism of superconductivity | We compute the angular dependence of the order parameter and tunneling amplitude in a model exhibiting topological superconductivity and sketch its derivation as a model of a doped Mott insulator. We show that ground states differing by an odd number of particles are orthogonal and the order parameter is in the d-repre... | [
"cond-mat.supr-con",
"cond-mat.str-el",
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a abanov_1",
"name": "Alexander [\"G.\"] Abanov",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "p wiegmann_1",
"name": "Paul [\"B.\"] Wiegmann",
"publication_history": null,
"h_index": null,
... | null |
53537555 | gr-qc/9701052 | 1997-01-23 | Quantum Gravity and Regge Calculus | This is an informal review of the formulation of canonical general relativity and of its implications for quantum gravity; the various versions are compared, both in the continuum and in a discretized approximation suggested by Regge calculus. I also show that the weakness of the link with the geometric content of the ... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119332964 | cond-mat/9701177 | 1997-01-23 | Dynamics and Instabilities of Planar Tensile Cracks in Heterogeneous Media | The dynamics of tensile crack fronts restricted to advance in a plane are studied. In an ideal linear elastic medium, a propagating mode along the crack front with a velocity slightly less than the Rayleigh wave velocity, is found to exist. But the dependence of the effective fracture toughness $\Gamma(v)$ on the crack... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14752700 | hep-th/9701125 | 1997-01-23 | On non-abelian generalisation of Born-Infeld action in string theory | We show that the part of the tree-level open string effective action for the non-abelian vector field which depends on the field strength but not on its covariant derivatives, is given by the symmetrised trace of the direct non-abelian generalisation of the Born-Infeld invariant. We discuss applications to D-brane dyna... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15825073 | astro-ph/9701188 | 1997-01-23 | Implications For The Hubble Constant from the First Seven Supernovae at z >= 0.35 | The Supernova Cosmology Project has discovered over twenty-eight supernovae (SNe) at 0.35 <z < 0.65 in an ongoing program that uses Type Ia SNe as high-redshift distance indicators. Here we present measurements of the ratio between the locally observed and global Hubble constants, H_0^L/H_0^G, based on the first 7 SNe ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "119505809",
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},
{
"corpus_id": "206575683",
"num_citations": null
}
] | [
{
"author_id": "a kim_4",
"name": "Alex [\"G\"] Kim",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "s gabi_1",
"name": "Smail Gabi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num... | null |
2884104 | alg-geom/9701016 | 1997-01-27 | A mirror theorem for toric complete intersections | We prove a generalized mirror conjecture for non-negative complete intersections in symplectic toric manifolds. Namely, we express solutions of the PDE system describing quantum cohomology of such a manifold in terms of suitable hypergeometric functions. Revision 03.03.97: we correct an error in Introduction. | [
"alg-geom",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119035499 | cond-mat/9701199 | 1997-01-28 | Kinetic energy of solid neon by Monte Carlo with improved Trotter- and finite-size extrapolation | The kinetic energy of solid neon is calculated by a path-integral Monte Carlo approach with a refined Trotter- and finite-size extrapolation. These accurate data present significant quantum effects up to temperature T=20 K. They confirm previous simulations and are consistent with recent experiments. | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a cuccoli_1",
"name": "Alessandro Cuccoli",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "a macchi_1",
"name": "Alessandro Macchi",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
16378222 | physics/9701026 | 1997-01-28 | Monte Carlo Implementation of Gaussian Process Models for Bayesian Regression and Classification | Gaussian processes are a natural way of defining prior distributions over functions of one or more input variables. In a simple nonparametric regression problem, where such a function gives the mean of a Gaussian distribution for an observed response, a Gaussian process model can easily be implemented using matrix comp... | [
"physics.data-an"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15110739 | math/9701213 | 1997-01-28 | Metric Entropy of Homogeneous Spaces | For a (compact) subset $K$ of a metric space and $\varepsilon > 0$, the {\em covering number} $N(K , \varepsilon )$ is defined as the smallest number of balls of radius $\varepsilon$ whose union covers $K$. Knowledge of the {\em metric entropy}, i.e., the asymptotic behaviour of covering numbers for (families of) metri... | [
"math.MG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15797889 | hep-th/9701162 | 1997-01-28 | Vector Bundles And F Theory | To understand in detail duality between heterotic string and F theory compactifications, it is important to understand the construction of holomorphic G bundles over elliptic Calabi-Yau manifolds, for various groups G. In this paper, we develop techniques to describe the bundles, and make several detailed comparisons b... | [
"hep-th",
"alg-geom",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119019277 | cond-mat/9701198 | 1997-01-28 | Thermodynamics of dissipative quantum systems by effective potential | Classical-like formulas are given in order to evaluate thermal averages of observables belonging to a quantum nonlinear system with dissipation described by the Caldeira-Leggett model [Phys. Rev. Lett. 46, 211 (1981); Ann. Phys. (N.Y.) 149, 374 (1983)]. The underlying scheme is the pure-quantum self-consistent harmonic... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a cuccoli_1",
"name": "Alessandro Cuccoli",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "a rossi_6",
"name": "Andrea Rossi",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
119365578 | astro-ph/9701213 | 1997-01-28 | The Theoretical Mass--Magnitude Relation of Low-Mass Stars and its Metallicity Dependence | We investigate the dependence of theoretically generated mass - (absolute magnitude) relations on stellar models. Using up to date physics we compute models in the mass range 0.1 < m < 1M_sun. We compare the solar-metallicity models with our older models, with recent models computed by others, and also with an empirica... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14196006 | hep-lat/9701016 | 1997-01-30 | The Three Dimensional Thirring Model for Small N_f | We formulate the three dimensional Thirring model on a spacetime lattice and study it for various even numbers of fermion flavors N_f by Monte Carlo simulation. We find clear evidence for spontaneous chiral symmetry breaking at strong coupling, contradicting the predictions of the 1/N_f expansion. The critical point ap... | [
"hep-lat",
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l debbio_1",
"name": "Luigi [\"Del\"] Debbio",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "s hands_1",
"name": "Simon [\"J.\"] Hands",
"publication_history": null,
"h_index": null,
"num_pap... | null |
20787078 | astro-ph/9701231 | 1997-01-30 | High Energy Neutrinos from Cosmological Gamma-Ray Burst Fireballs | Observations suggest that $\gamma$-ray bursts (GRBs) are produced by the dissipation of the kinetic energy of a relativistic fireball. We show that a large fraction, $\ge 10%$, of the fireball energy is expected to be converted by photo-meson production to a burst of $\sim10^{14} eV$ neutrinos. A km^2 neutrino detector... | [
"astro-ph",
"hep-ph",
"nucl-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16478412 | hep-lat/9701015 | 1997-01-30 | Series Expansions for the Massive Schwinger Model in Hamiltonian lattice theory | It is shown that detailed and accurate information about the mass spectrum of the massive Schwinger model can be obtained using the technique of strong-coupling series expansions. Extended strong-coupling series for the energy eigenvalues are calculated, and extrapolated to the continuum limit by means of integrated di... | [
"hep-lat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17076572 | astro-ph/9702011 | 1997-01-31 | The Complex X-ray Spectra of M82 and NGC 253 | We present the results of the first imaging X-ray observations in the 0.4-10.0 keV bandpass of the nearby starburst galaxies M82 and NGC 253. The ASCA spectra of both M82 and NGC 253 are complex with strong line emission from O, Ne, Fe, Mg, S, and Si, allowing elemental abundances to be estimated in the X-ray band for ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119333894 | cond-mat/9702055 | 1997-02-05 | Landau Theory of Stripe Phases in Cuprates and Nickelates | We consider a Landau theory of coupled charge and spin-density wave order parameters as a simple model for the ordering that has been observed experimentally in the La_2NiO_4 and La_2CuO_4 families of doped antiferromagnets. The period of the charge-density wave is generically half that of the spin-density wave, or equ... | [
"cond-mat.str-el",
"cond-mat.supr-con"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117096862 | cond-mat/9702070 | 1997-02-07 | Out of equilibrium dynamics in spin-glasses and other glassy systems | We review recent theoretical progress on glassy dynamics, with special emphasis on the importance and universality of the ``aging regime'', which is relevant to many experimental situations. The three main subjects which we address are: (i) Phenomenological models of aging (coarsening, trap models), (ii) Analytical res... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17908290 | cond-mat/9702073 | 1997-02-09 | The Mode-Coupling Theory of the Glass Transition | We give a brief introduction to the mode-coupling theory of the glass transition, a theory which was proposed a while ago to describe the dynamics of supercooled liquids. After presenting the basic equations of the theory, we review some of its predictions and compare these with results of experiments and computer simu... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
51977305 | cmp-lg/9702004 | 1997-02-10 | An Annotation Scheme for Free Word Order Languages | We describe an annotation scheme and a tool developed for creating linguistically annotated corpora for non-configurational languages. Since the requirements for such a formalism differ from those posited for configurational languages, several features have been added, influencing the architecture of the scheme. The re... | [
"cmp-lg",
"cs.CL"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
15218905 | hep-ph/9702305 | 1997-02-11 | Dimension-six CP-conserving operators of the third-family quarks and their effects on collider observables | We list all possible dimension-six CP-conserving $SU_c(3)\times SU_L(2) \times U_Y(1)$ invariant operators involving the third-family quarks which could be generated by new physics at a higher scale. Expressions for these operators after electroweak gauge symmetry breaking and the induced effective couplings $Wt\bar b$... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8391036 | quant-ph/9702029 | 1997-02-12 | A Theory of Fault-Tolerant Quantum Computation | In order to use quantum error-correcting codes to actually improve the performance of a quantum computer, it is necessary to be able to perform operations fault-tolerantly on encoded states. I present a general theory of fault-tolerant operations based on symmetries of the code stabilizer. This allows a straightforward... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17559884 | astro-ph/9702100 | 1997-02-12 | Forecasting Cosmic Parameter Errors from Microwave Background Anisotropy Experiments | Accurate measurements of the cosmic microwave background (CMB) anisotropies with an angular resolution of a few arcminutes can be used to determine fundamental cosmological parameters such as the densities of baryons, cold and hot dark matter, and certain combinations of the cosmological constant and the curvature of t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12404674 | astro-ph/9702121 | 1997-02-13 | Hot Interstellar Gas in the Irregular Galaxy NGC 4449 | NGC 4449 is an irregular galaxy with a moderately high star formation activity. The massive stars in NGC 4449 have given rise to many bright HII regions, superbubbles, supergiant shells, and "chimney-like" radial filaments. ROSAT X-ray observations of NGC 4449 have revealed four point-like sources and a wide-spread dif... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d bomans_1",
"name": "Dominik [\"J.\"] Bomans",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "y chu_1",
"name": "You-Hua Chu",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
119101739 | quant-ph/9702032 | 1997-02-14 | Non-classical interference between independent sources | When a one-photon state is mixed with a (separate) weak coherent state at a beamsplitter the probability for detecting one photon in each beamsplitter output approaches zero due to destructive interference. We demonstrate this non-classical interference effect using pulse-gated single photons and weak mode-locked laser... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
130265 | cmp-lg/9702010 | 1997-02-17 | Selective Sampling of Effective Example Sentence Sets for Word Sense Disambiguation | This paper proposes an efficient example selection method for example-based word sense disambiguation systems. To construct a practical size database, a considerable overhead for manual sense disambiguation is required. Our method is characterized by the reliance on the notion of the training utility: the degree to whi... | [
"cmp-lg",
"cs.CL"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a fujii_3",
"name": "Atsushi Fujii",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "k inui_1",
"name": "Kentaro Inui",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
109959739 | quant-ph/9702036 | 1997-02-18 | Ideal Quantum Communication over Noisy Channels: a Quantum Optical Implementation | We consider transmission of an (unknown) quantum state between two distant atoms via photons. Based on a quantum-optical realistic model, we define a noisy quantum channel which includes systematic errors as well as errors due to coupling to the environment. We present a protocol that allows one to accomplish ideal tra... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17855485 | cond-mat/9702163 | 1997-02-18 | Rational Group Decision Making. A random field Ising model at T=0 | A modified version of a finite random field Ising ferromagnetic model in an external magnetic field at zero temperature is presented to describe group decision making. Fields may have a non-zero average. A postulate of minimum inter-individual conflicts is assumed. Interactions then produce a group polarization along o... | [
"cond-mat.dis-nn",
"adap-org",
"cond-mat.stat-mech",
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8719664 | quant-ph/9702034 | 1997-02-18 | Converse coding theorems for quantums source and noisy channel | The weak converse coding theorems have been proved for the quantum source and channel. The results give the lower bound for capacity of source and the upper bound for capacity of channel. The monotonicity of mutual quantum information have also been proved. PACS numbers: 03.65.Bz | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "d saakian_1",
"name": "David [\"B.\"] Saakian",
"publication_history": null,
"h_index": nul... | null |
905556 | astro-ph/9702157 | 1997-02-19 | Microwave Background Constraints on Cosmological Parameters | We use a high-accuracy computational code to investigate the precision with which cosmological parameters could be reconstructed by future cosmic microwave background (CMB) experiments, in particular the two satellite missions MAP and Planck Surveyor (COBRAS/SAMBA). We identify several parameter combinations that could... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "14653654",
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},
{
"corpus_id": "16825580",
"num_citations": null
},
{
"corpus_id": "17018885",
"num_citations": null
}
] | [
{
"author_id": "m zaldarriaga_1",
"name": "Matias Zaldarriaga",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d spergel_1",
"name": "David [\"N.\"] Spergel",
"publication_history": null,
"h_index": null,
"nu... | null |
14488245 | astro-ph/9702170 | 1997-02-19 | CMB Anisotropies: Total Angular Momentum Method | A total angular momentum representation simplifies the radiation transport problem for temperature and polarization anisotropy in the CMB. Scattering terms couple only the quadrupole moments of the distributions and each moment corresponds directly to the observable angular pattern on the sky. We develop and employ the... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16203845 | nucl-th/9702043 | 1997-02-19 | Application of the Kerman-Klein method to the solution of a spherical shell model for a deformed rare-earth nucleus | Core-particle coupling models are made viable by assuming that core properties such as matrix elements of multipole and pairing operators and excitation spectra are known independently. From the completeness relation, it is seen, however, that these quantities are themselves algebraic functions of the calculated core-p... | [
"nucl-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p protopapas_1",
"name": "Pavlos Protopapas",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "a klein_4",
"name": "Abraham Klein",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
14244548 | astro-ph/9702172 | 1997-02-20 | Galactic microwave emission at degree angular scales | We cross-correlate the Saskatoon Ka and Q-Band Cosmic Microwave Background (CMB) data with different maps to quantify possible foreground contamination. We detect a marginal correlation (2 sigma) with the Diffuse Infrared Background Experiment (DIRBE) 240, 140 and 100 microm maps, but we find no significant correlation... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16879930 | hep-ex/9702012 | 1997-02-23 | Observation of Events at Very High Q^2 in ep Collisions at HERA | Measurements of ep scattering with squared 4-momentum transfer Q^2 up to 35000 GeV^2 are compared with the expectation of the standard deep-inelastic model of lepton-nucleon scattering (DIS). For Q^2 > 15000 GeV^2, N_{obs} =12 neutral current candidate events are observed where the expectation is N_DIS = 4.71 \pm 0.76 ... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c adloff_1",
"name": "Catherine Adloff",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s aid_1",
"name": "S. Aid",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_c... | null |
14661802 | gr-qc/9702048 | 1997-02-24 | Dynamics of perturbations of rotating black holes | We present a numerical study of the time evolution of perturbations of rotating black holes. The solutions are obtained by integrating the Teukolsky equation written as a first-order in time, coupled system of equations, in a form that explicitly captures its hyperbolic structure. We address the numerical difficulties ... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
21289619 | quant-ph/9702058 | 1997-02-26 | Resilient Quantum Computation: Error Models and Thresholds | Recent research has demonstrated that quantum computers can solve certain types of problems substantially faster than the known classical algorithms. These problems include factoring integers and certain physics simulations. Practical quantum computation requires overcoming the problems of environmental noise and opera... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16544613 | solv-int/9702008 | 1997-02-27 | Symbolic Computation of Conserved Densities for Systems of Nonlinear Evolution Equations | A new algorithm for the symbolic computation of polynomial conserved densities for systems of nonlinear evolution equations is presented. The algorithm is implemented in Mathematica. The program condens.m automatically carries out the lengthy symbolic computations for the construction of conserved densities. The code i... | [
"solv-int",
"nlin.SI"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
31014981 | cond-mat/9703011 | 1997-03-02 | 1/N Expansion for Critical Exponents of Magnetic Phase Transitions in CP^{N-1} Model at 2<d<4 | Critical exponents in the CP^{N-1} model, which describes localized-moment ferro- and antiferromagnets (N=2 in the Heisenberg model), are calculated from two-particle Green's functions to first order in 1/N. For d=2+\epsilon the results agree with earlier renormalization group calculations. For d=3 the leading 1/N-corr... | [
"cond-mat"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v irkhin_1",
"name": "Valentin [\"Yu.\"] Irkhin",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a katanin_1",
"name": "A. [\"A.\"] Katanin",
"publication_history": null,
"h_index": null,
"num... | null |
118912077 | quant-ph/9703002 | 1997-03-04 | A nonadditive quantum code | Up to now every good quantum error-correcting code discovered has had the structure of an eigenspace of an Abelian group generated by tensor products of Pauli matrices; such codes are known as stabilizer or additive codes. In this letter we present the first example of a code that is better than any code of this type. ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119351346 | astro-ph/9703028 | 1997-03-05 | The Physics of crystallizing white dwarfs | White dwarfs can be used as galactic chronometers and, therefore, provide important information about galactic evolution if good theoretical models of their cooling are available. Consequently, it is natural to wonder if all the sources or sinks of energy are correctly taken into account. One of these sources is partia... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1740488 | hep-th/9703039 | 1997-03-05 | Relativistic Brane Scattering | We calculate relativistic phase-shifts resulting from the large impact parameter scattering of 0-branes off p-branes within supergravity. Their full functional dependence on velocity agrees with that obtained by identifying the p-branes with D-branes in string theory. These processes are also described by 0-brane quant... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15477400 | hep-th/9703045 | 1997-03-06 | Coadjoint orbits of the Virasoro algebra and the global Liouville equation | The classification of the coadjoint orbits of the Virasoro algebra is reviewed and is then applied to analyze the so-called global Liouville equation. The review is self-contained, elementary and is tailor-made for the application. It is well-known that the Liouville equation for a smooth, real field $\phi$ under perio... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14750279 | hep-th/9703051 | 1997-03-06 | Rotated Branes and N=1 Duality | We consider configurations of rotated NS-branes leading to a family of four-dimensional N=1 super-QCD theories, interpolating between four-dimensional analogues of the Hanany-Witten vacua, and the Elitzur-Giveon-Kutasov configuration for N=1 duality. The rotation angle is the N=2 breaking parameter, the mass of the adj... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18893849 | hep-ph/9703259 | 1997-03-07 | Can The Supersymmetric Flavor Problem Decouple? | It has been argued that the squarks and sleptons of the first and second generations can be relatively heavy without destabilizing the weak scale, thereby improving the situation with too-large flavor-changing neutral current (FCNC) and CP violating processes. In theories where the soft supersymmetry breaking parameter... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17195007 | hep-th/9703110 | 1997-03-15 | Aspects of N=2 Supersymmetric Gauge Theories in Three Dimensions | We consider general aspects of N=2 gauge theories in three dimensions, including their multiplet structure, anomalies and non-renormalization theorems. For U(1) gauge theories, we discuss the quantum corrections to the moduli space, and their relation to ``mirror symmetries'' of 3d N=4 theories. Mirror symmetry is give... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118818117 | cond-mat/9703157 | 1997-03-15 | Tunneling in the topological mechanism of superconductivity | We compute the two-particle matrix element and Josephson tunneling amplitude in a two-dimensional model of topological superconductivity which captures the physics of the doped Mott insulator. The hydrodynamics of topological electronic liquid consists of the compressible charge sector and the incompressible chiral top... | [
"cond-mat.str-el",
"cond-mat.supr-con",
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a abanov_1",
"name": "Alexander [\"G.\"] Abanov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p wiegmann_1",
"name": "Paul [\"B.\"] Wiegmann",
"publication_history": null,
"h_index": null,
... | null |
41741072 | hep-th/9703135 | 1997-03-19 | Reparametrization invariant statistical inference and gravity | Bialek, Callan and Strong have recently given a solution of the problem of determining a continuous probability distribution from a finite set of experimental measurements by formulating it as a one-dimensional quantum field theory. This letter gives a reparametrization-invariant solution of the problem, obtained by co... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2707020 | hep-th/9703166 | 1997-03-24 | Solutions Of Four-Dimensional Field Theories Via M Theory | N=2 supersymmetric gauge theories in four dimensions are studied by formulating them as the quantum field theories derived from configurations of fourbranes, fivebranes, and sixbranes in Type IIA superstrings, and then reinterpreting those configurations in M theory. This approach leads to explicit solutions for the Co... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
121379159 | hep-ex/9703013 | 1997-03-25 | Studies of the Cabbibo-Suppressed Decays $D^+ \to \pi^0 \ell^+ \nu$ and $D^+ \to \eta e^+ \nu_e$ | Using 4.8 fb$^{-1}$ of data taken with the CLEO II detector, the branching fraction for the Cabibbo-suppressed decay $D^+\to\pi^0\ell^+\nu$ measured relative to the Cabibbo favored decay $D^+\to\bar{K^0}\ell^+\nu$ is found to be $0.046\pm 0.014\pm 0.017$. Using $V_{cs}$ and $V_{cd}$ from unitarity constraints, we deter... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j bartelt_1",
"name": "John [\"E.\"] Bartelt",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s csorna_1",
"name": "Steven [\"E.\"] Csorna",
"publication_history": null,
"h_index": null,
"num_... | null |
119370102 | cond-mat/9703229 | 1997-03-26 | Calculation of Densities of States and Spectral Functions by Chebyshev Recursion and Maximum Entropy | We present an efficient algorithm for calculating spectral properties of large sparse Hamiltonian matrices such as densities of states and spectral functions. The combination of Chebyshev recursion and maximum entropy achieves high energy resolution without significant roundoff error, machine precision or numerical ins... | [
"cond-mat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7651433 | hep-ph/9703464 | 1997-03-31 | CPT Violation and the Standard Model | Spontaneous CPT breaking arising in string theory has been suggested as a possible observable experimental signature in neutral-meson systems. We provide a theoretical framework for the treatment of low-energy effects of spontaneous CPT violation and the attendant partial Lorentz breaking. The analysis is within the co... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119079043 | cond-mat/9704006 | 1997-04-01 | Aging Effects in a Lennard-Jones Glass | Using molecular dynamics simulations we study the out of equilibrium dynamic correlations in a model glass-forming liquid. The system is quenched from a high temperature to a temperature below its glass transition temperature and the decay of the two-time intermediate scattering function C(t_w,t+t_w) is monitored for s... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18714139 | astro-ph/9704001 | 1997-04-01 | The Nature of Compact Galaxies in the Hubble Deep Field (II): Spectroscopic Properties and Implications for the Evolution of the Star Formation Rate Density of the Universe | We present a spectroscopic study of 51 compact field galaxies with redshifts z < 1.4 and apparent magnitudes I < 23.74 in the flanking fields of the Hubble Deep Field. These galaxies are compact in the sense that they have small apparent half-light radii (r_e < 0.5 arcsec) and high surface brightnesses (SB_e < 22.2 mag... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3902118 | quant-ph/9704002 | 1997-04-02 | Approximate quantum error correction can lead to better codes | We present relaxed criteria for quantum error correction which are useful when the specific dominant noise process is known. These criteria have no classical analogue. As an example, we provide a four-bit code which corrects for a single amplitude damping error. This code violates the usual Hamming bound calculated for... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13998019 | astro-ph/9704038 | 1997-04-03 | The cooling of CO white dwarfs: influence of the internal chemical distribution | In this paper we compute detailed evolutionary models providing chemical profiles for white dwarfs having progenitors in the mass range from 1.0 to $7 M_{\sun}$ and we examine the influence of such profiles in the cooling process. The influence of the process of separation of carbon and oxygen during crystallization is... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18463228 | hep-ph/9704258 | 1997-04-08 | Soft gluon effects on lepton pairs at hadron colliders | With a large integrated luminosity expected at the Tevatron, a next-to-leading order (NLO) calculation is no longer sufficient to describe the data which yield the precision measurement of $M_W$, etc. Thus, we extend the Collins-Soper-Sterman resummation formalism, for on-shell vector boson production, to correctly inc... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14073903 | hep-th/9704064 | 1997-04-08 | Massive Schwinger model within mass perturbation theory | In this article we give a detailed discussion of the mass perturbation theory of the massive Schwinger model. After discussing some general features and briefly reviewing the exact solution of the massless case, we compute the vacuum energy density of the massive model and some related quantities. We derive the Feynman... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5982872 | quant-ph/9704019 | 1997-04-09 | Spatially Correlated Qubit Errors and Burst-Correcting Quantum Codes | We explore the design of quantum error-correcting codes for cases where the decoherence events of qubits are correlated. In particular, we consider the case where only spatially contiguous qubits decohere, which is analogous to the case of burst errors in classical coding theory. We present several different efficient ... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "8246615",
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},
{
"corpus_id": "16407184",
"num_citations": null
},
{
"corpus_id": "11524969",
"num_citations": null
}
] | [
{
"author_id": "f vatan_1",
"name": "Farrokh Vatan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": null,
"num... | null |
118897906 | astro-ph/9704076 | 1997-04-09 | The Delayed Formation of Dwarf Galaxies | One of the largest uncertainties in understanding the effect of a background UV field on galaxy formation is the intensity and evolution of the radiation field with redshift. This work attempts to shed light on this issue by computing the quasi-hydrostatic equilibrium states of gas in spherically symmetric dark matter ... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "118911226",
"num_citations": null
},
{
"corpus_id": "2512315",
"num_citations": null
}
] | [
{
"author_id": "j kepner_1",
"name": "Jeremy Kepner",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a babul_1",
"name": "Arif Babul",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
16097827 | physics/9704011 | 1997-04-10 | Simulating Plasma Turbulence in Tokamaks | A challenging and fundamental research problem is the better understanding and control of the turbulent transport of heat in present-day tokamak fusion experiments. Recent developments in numerical methods along with enormous gains in computing power have made large-scale simulations an important tool for improving our... | [
"physics.plasm-ph",
"physics.comp-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j kepner_1",
"name": "Jeremy Kepner",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s parker_1",
"name": "Scott [\"E.\"] Parker",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
15256980 | astro-ph/9704099 | 1997-04-11 | A Search for "Dwarf" Seyfert Nuclei. IV. Nuclei with Broad H-alpha Emission | We present the results of an optical spectroscopic survey designed to search for low-luminosity, "dwarf" Seyfert nuclei in a magnitude-limited sample of 486 bright, northern galaxies. Moderate-resolution spectra of exceptionally high quality were obtained in part to detect broad H-alpha emission, similar in character t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17326965 | hep-th/9704104 | 1997-04-14 | Brane Dynamics and N=1 Supersymmetric Gauge Theory | We discuss some aspects of the relation between space-time properties of branes in string theory, and the gauge theory on their worldvolume, for models invariant under four supercharges in three and four dimensions. We show that a simple set of rules governing brane dynamics reproduces many features of gauge theory. We... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18285186 | hep-ph/9704322 | 1997-04-14 | Pair production of scalar leptoquarks at the Tevatron | We present the cross section for pair production of scalar leptoquarks $LQ$ in $p\bar{p}$ collisions, $p+\bar{p} \to LQ + \bar{LQ} + X$, at the Fermilab Tevatron in next-to-leading order QCD. Including the higher-order corrections stabilizes the theoretical prediction and increases the size of the cross section for ren... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5177739 | quant-ph/9704027 | 1997-04-14 | An Exact Quantum Polynomial-Time Algorithm for Simon's Problem | We investigate the power of quantum computers when they are required to return an answer that is guaranteed to be correct after a time that is upper-bounded by a polynomial in the worst case. We show that a natural generalization of Simon's problem can be solved in this way, whereas previous algorithms required quantum... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
943842 | astro-ph/9704153 | 1997-04-15 | Shocked by GRB 970228: the afterglow of a cosmological fireball | The location accuracy of the BeppoSAX Wide Field Cameras and acute ground-based followup have led to the detection of a decaying afterglow in X rays and optical light following the classical gamma-ray burst GRB 970228. The afterglow in X rays and optical light fades as a power law at all wavelengths. This behaviour was... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3132651 | cmp-lg/9704004 | 1997-04-15 | PARADISE: A Framework for Evaluating Spoken Dialogue Agents | This paper presents PARADISE (PARAdigm for DIalogue System Evaluation), a general framework for evaluating spoken dialogue agents. The framework decouples task requirements from an agent's dialogue behaviors, supports comparisons among dialogue strategies, enables the calculation of performance over subdialogues and wh... | [
"cmp-lg",
"cs.CL"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
118917565 | astro-ph/9704165 | 1997-04-16 | Power Spectra in Global Defect Theories of Cosmic Structure Formation | An efficient technique for computing perturbation power spectra in field ordering theories of cosmic structure formation is introduced, enabling computations to be carried out with unprecedented precision. Large scale simulations are used to measure unequal time correlators of the source stress energy, taking advantage... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "u pen_1",
"name": "Ue-li Pen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cit... | null |
17860100 | cond-mat/9704137 | 1997-04-16 | Environment Dependent Interatomic Potential for Bulk Silicon | We use recent theoretical advances to develop a new functional form for interatomic forces in bulk silicon. The theoretical results underlying the model include a novel analysis of elastic properties for the diamond and graphitic structures and inversions of ab initio cohesive energy curves. The interaction model inclu... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m bazant_1",
"name": "Martin [\"Z.\"] Bazant",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e kaxiras_1",
"name": "Efthimios Kaxiras",
"publication_history": null,
"h_index": null,
"num_pape... | null |
15396732 | astro-ph/9704182 | 1997-04-17 | The Optical/Near-IR Colors of Broad Absorption Line Quasars, Including the Candidate Radio-Loud BAL Quasar 1556+3517 | A candidate radio-loud broad absorption line quasar (RLBAL) has been reported by Becker et al. (1997). We present JHK observations of this object and three other radio-detected BALs taken with the new Michigan-Dartmouth-MIT/Ohio State/Aladdin IR Camera (MOSAIC) on the KPNO 4-meter. The candidate RLBAL 1556+3517 has B-K... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18245637 | cond-mat/9704162 | 1997-04-18 | Random Matrix Approach to Glassy Physics --- Low Temperatures and Beyond | A random matrix approach to glassy physics is introduced. It leads to a class of models which exhibit both, glassy low-temperature phases, and double-- and single-well configurations in their potential energy. The distribution of parameters characterizing the local potential energy configurations can be computed, and d... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119387231 | astro-ph/9704184 | 1997-04-18 | The Redshift Evolution of the Lyman Alpha Forest | We have analyzed the properties of low column density Lyman alpha forest clouds (12.8 < log N_HI < 16.0) toward 5 QSOs at different redshifts, using high signal-to-noise data from the HIRES spectrograph on the Keck I 10-m telescope. The results are used to study the evolution of these clouds in the interval 2.1 < z < 3... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15209560 | astro-ph/9704194 | 1997-04-19 | Multiwavelength Monitoring of the BL Lacertae Object PKS 2155-304 in May 1994. III. Probing the Inner Jet through Multiwavelength Correlations | In May 1994 the BL Lac object PKS 2155-304 was observed continuously for ~10 d with IUE and EUVE and for 2 d with ASCA, as well as with ROSAT and with ground- based radio, IR, and optical telescopes. The light curves show a well-defined X-ray flare (x2 increase in 1/2 d, with similar decay) followed by a broader, lower... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14030006 | hep-ph/9704361 | 1997-04-20 | Neutralino Relic Density including Coannihilations | We evaluate the relic density of the lightest neutralino, the lightest supersymmetric particle, in the Minimal Supersymmetric extension of the Standard Model (MSSM). For the first time, we include all coannihilation processes between neutralinos and charginos for any neutralino mass and composition. We use the most sop... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40816033 | astro-ph/9704231 | 1997-04-23 | Polarization of the Microwave Background in Defect Models | We compute the polarization power spectra for global strings, monopoles, textures and nontopological textures, and compare them to inflationary models. We find that topological defect models predict a significant (1 microK) contribution to magnetic type polarization on degree angular scales, which is produced by the la... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "u pen_1",
"name": "Ue-li Pen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cit... | null |
18879534 | hep-lat/9704012 | 1997-04-23 | The Coulomb law in the pure gauge U(1) theory on a lattice | We study the heavy charge potential in the Coulomb phase of pure gauge compact U(1) theory on the lattice. We calculate the static potential $V_W(T,{\vec R})$ from Wilson loops on a $16^3 \times 32$ lattice and compare with the predictions of lattice perturbation theory. We investigate finite size effects and, in parti... | [
"hep-lat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10687498 | quant-ph/9704043 | 1997-04-24 | Quantum codes of minimum distance two | It is reasonable to expect the theory of quantum codes to be simplified in the case of codes of minimum distance 2; thus, it makes sense to examine such codes in the hopes that techniques that prove effective there will generalize. With this in mind, we present a number of results on codes of minimum distance 2. We fir... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15966880 | astro-ph/9704265 | 1997-04-28 | Integral Solution for the Microwave Background Anisotropies in Non-fl at Universes | We present an efficient method to compute CMB anisotropies in non-flat universes. First we derive the Boltzmann equation for cosmic microwave background temperature and polarization fluctuations produced by scalar perturbations in a general Robertson-Walker universe. We then apply the integral method to solve this equa... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "119472955",
"num_citations": null
}
] | [
{
"author_id": "m zaldarriaga_1",
"name": "Matias Zaldarriaga",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
2916303 | hep-ph/9704448 | 1997-04-30 | HDECAY: a Program for Higgs Boson Decays in the Standard Model and its Supersymmetric Extension | We describe the Fortran code HDECAY which calculates the decay widths and the branching ratios of the Standard Model Higgs boson, and of the neutral and charged Higgs particles of the Minimal Supersymmetric extension of the Standard Model. The program is self-contained (with all subroutines included), easy to run, fast... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
58347 | cmp-lg/9705006 | 1997-05-06 | Quantitative Constraint Logic Programming for Weighted Grammar Applications | Constraint logic grammars provide a powerful formalism for expressing complex logical descriptions of natural language phenomena in exact terms. Describing some of these phenomena may, however, require some form of graded distinctions which are not provided by such grammars. Recent approaches to weighted constraint log... | [
"cmp-lg",
"cs.CL"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s riezler_1",
"name": "Stefan Riezler",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
14752231 | hep-ph/9705252 | 1997-05-07 | Precision Corrections to Dispersive Bounds on Form Factors | We present precision corrections to dispersion relation bounds on form factors in bottom hadron semileptonic decays and analyze their effects on parameterizations derived from these bounds. We incorporate QCD two-loop and nonperturbative corrections to the two-point correlator, consider form factors whose contribution ... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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