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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1285601 | astro-ph/0402172 | 2004-02-07 | 2MASS J05185995-2828372: Discovery of an Unresolved L/T Binary | We present the peculiar near-infrared spectrum of the newly discovered brown dwarf 2MASS J05185995-2828372, identified in the Two Micron All-Sky Survey. Features characteristic of both L and T dwarfs are present, namely strong carbon monoxide absorption in K-band, strong methane absorption in J- and H-bands, and red ne... | [
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"name": "Kelle [\"L.\"] Cruz",
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"name": "Adam [\"J.\"] Burgasser",
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35443095 | cond-mat/0402209 | 2004-02-07 | A Doubly Nudged Elastic Band Method for Finding Transition States | A modification of the nudged elastic band (NEB) method is presented that enables stable optimisations to be run using both the limited-memory quasi-Newton (L-BFGS) and slow-response quenched velocity Verlet (SQVV) minimisers. The performance of this new `doubly nudged' DNEB method is analysed in conjunction with both m... | [
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7791983 | q-bio/0402017 | 2004-02-09 | Discriminative Topological Features Reveal Biological Network Mechanisms | Recent genomic and bioinformatic advances have motivated the development of numerous random network models purporting to describe graphs of biological, technological, and sociological origin. The success of a model has been evaluated by how well it reproduces a few key features of the real-world data, such as degree di... | [
"q-bio.MN"
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2890854 | hep-ph/0402110 | 2004-02-10 | Experiments For CP-Violation: A Giant Liquid Argon Scintillation, Cerenkov And Charge Imaging Experiment ? | In this paper we address a class of ``ultimate'' generation experiments for the search of CP-violation in neutrino oscillations. Neutrino factories require large magnetized detectors. New generation superbeams or beta-beams need giant detectors. The liquid Argon TPC technology has great potentials for both applications... | [
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"name": "André Rubbia",
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] | null |
16005462 | hep-th/0402083 | 2004-02-10 | Large mass expansion of quasi-normal modes in AdS_5 | We calculate analytically the asymptotic form of quasi-normal frequencies for massive scalar perturbations of large black holes in AdS_5. We solve the wave equation, which reduces to a Heun equation, perturbatively and calculate the wave function as an expansion in 1/m, where m is the mass of the mode. The zeroth-order... | [
"hep-th"
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"author_id": "g siopsis_1",
"name": "George Siopsis",
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] | null |
10273779 | q-bio/0402023 | 2004-02-10 | Mean field methods for cortical network dynamics | We review the use of mean field theory for describing the dynamics of dense, randomly connected cortical circuits. For a simple network of excitatory and inhibitory leaky integrate-and-fire neurons, we can show how the firing irregularity, as measured by the Fano factor, increases with the strength of the synapses in t... | [
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"author_id": "j hertz_1",
"name": "John [\"A.\"] Hertz",
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"author_id": "a lerchner_1",
"name": "Alexander Lerchner",
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10376400 | astro-ph/0402209 | 2004-02-10 | A Catalog of Spectroscopically Identified White Dwarf Stars in the First Data Release of the Sloan Digital Sky Survey | We present the full spectroscopic white dwarf and hot subdwarf sample from the SDSS first data release, DR1. We find 2551 white dwarf stars of various types, 240 hot subdwarf stars, and an additional 144 objects we have identified as uncertain white dwarf stars. Of the white dwarf stars, 1888 are non-magnetic DA types ... | [
"astro-ph"
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28804527 | cs/0402018 | 2004-02-10 | P2P Networks for Content Sharing | Peer-to-peer (P2P) technologies have been widely used for content sharing, popularly called "file-swapping" networks. This chapter gives a broad overview of content sharing P2P technologies. It starts with the fundamental concept of P2P computing followed by the analysis of network topologies used in peer-to-peer syste... | [
"cs.DC"
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{
"author_id": "c ding_33",
"name": "Choon [\"Hoong\"] Ding",
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{
"author_id": "s nutanong_1",
"name": "Sarana Nutanong",
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2718400 | q-bio/0402022 | 2004-02-10 | Response variability in balanced cortical networks | We study the spike statistics of neurons in a network with dynamically balanced excitation and inhibition. Our model, intended to represent a generic cortical column, comprises randomly connected excitatory and inhibitory leaky integrate-and-fire neurons, driven by excitatory input from an external population. The high... | [
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"author_id": "c ursta_0",
"name": "Cristina Ursta",
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17419249 | astro-ph/0402234 | 2004-02-10 | The Atacama Cosmology Telescope | The Atacama Cosmology Telescope (ACT) project is described. This multi-institution collaboration aims to produce arcminute-resolution and micro-Kelvin sensitivity maps of the microwave background temperature over 200 square degrees of the sky in three frequency bands. We give a brief overview of the scientific motivati... | [
"astro-ph"
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14900279 | math-ph/0402028 | 2004-02-11 | Averaging versus Chaos in Turbulent Transport? | In this paper we analyze the transport of passive tracers by deterministic stationary incompressible flows which can be decomposed over an infinite number of spatial scales without separation between them. It appears that a low order dynamical system related to local Peclet numbers can be extracted from these flows and... | [
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"name": "Houman Owhadi",
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}
] | null |
11406815 | q-bio/0402026 | 2004-02-11 | High conductance states in a mean field cortical network model | Measured responses from visual cortical neurons show that spike times tend to be correlated rather than exactly Poisson distributed. Fano factors vary and are usually greater than 1 due to the tendency of spikes being clustered into bursts. We show that this behavior emerges naturally in a balanced cortical network mod... | [
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"author_id": "m ahmadi_5",
"name": "Mandana Ahmadi",
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"num_papers": n... | null |
18142848 | cond-mat/0402322 | 2004-02-11 | Problems with Fitting to the Power-Law Distribution | This short communication uses a simple experiment to show that fitting to a power law distribution by using graphical methods based on linear fit on the log-log scale is biased and inaccurate. It shows that using maximum likelihood estimation (MLE) is far more robust. Finally, it presents a new table for performing the... | [
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14310808 | math-ph/0402032 | 2004-02-12 | Geometric properties and non-blowup of 3-D incompressible Euler flow | By exploring a local geometric property of the vorticity field along a vortex filament, we establish a sharp relationship between the geometric properties of the vorticity field and the maximum vortex stretching. This new understanding leads to an improved result of the global existence of the 3-D Euler equation under ... | [
"math-ph",
"math.MP"
] | null | [
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] | null | null | null |
5780999 | q-bio/0402029 | 2004-02-12 | Fluctuation-dissipation theorem and models of learning | Advances in statistical learning theory have resulted in a multitude of different designs of learning machines. But which ones are implemented by brains and other biological information processors? We analyze how various abstract Bayesian learners perform on different data and argue that it is difficult to determine wh... | [
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"physics.data-an"
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] | null |
600264 | cond-mat/0402349 | 2004-02-12 | Detecting fuzzy community structures in complex networks with a Potts model | A fast community detection algorithm based on a q-state Potts model is presented. Communities in networks (groups of densely interconnected nodes that are only loosely connected to the rest of the network) are found to coincide with the domains of equal spin value in the minima of a modified Potts spin glass Hamiltonia... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
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14981473 | astro-ph/0402319 | 2004-02-12 | A Probable z~7 Galaxy Strongly Lensed by the Rich Cluster Abell 2218: Exploring the Dark Ages | We discuss the observational properties of a remarkably faint triply-imaged galaxy revealed in a deep z-band ACS observation of the lensing cluster A2218. A well-constrained mass model for the cluster, which incorporates the outcome of recent Keck spectroscopic campaigns, suggests that the triple system arises via a z>... | [
"astro-ph"
] | null | [
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] | null | null | null |
2963085 | astro-ph/0402287 | 2004-02-12 | Presupernova evolution of accreting white dwarfs with rotation | We discuss the effects of rotation on the evolution of accreting carbon-oxygen white dwarfs, with the emphasis on possible consequences in Type Ia supernova (SN Ia) progenitors. Starting with a slowly rotating white dwarf, we simulate the accretion of matter and angular momentum from a quasi-Keplerian accretion disk. T... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9640814 | astro-ph/0402308 | 2004-02-12 | K-band Properties of Galaxy Clusters and Groups: Luminosity Function, Radial Distribution and Halo Occupation Number | We explore the near-infrared (NIR) $K$-band properties of galaxies within 93 galaxy clusters and groups using data from the 2MASS. We use X-ray properties of these clusters to pinpoint cluster centers and estimate cluster masses. By stacking all these systems, we study the shape of the cluster luminosity function and t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10797729 | astro-ph/0402345 | 2004-02-13 | Microlensing of the Broad Emission Line Region in the Quadruple Lens SDSS J1004+4112 | We present seven epochs of spectroscopy on the quadruply imaged quasar SDSS J1004+4112, spanning observed-frame time delays from 1 to 322 days. The spectra reveal differences in the emission lines between the lensed images. Specifically, component A showed a strong enhancement in the blue wings of several high-ionizati... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
471099 | astro-ph/0402347 | 2004-02-13 | The Evolution of the Intergalactic Medium Transmission to Redshift Six | We have measured the transmission of the Lyman alpha forest produced by neutral hydrogen scattering in the intergalactic medium between redshifts 2 and 6.3 using high signal to noise, high resolution (R > 5000) observations of 50 quasars spread over the redshift range. We use a uniform set of 15 Angstrom intervals cove... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118912480 | quant-ph/0402092 | 2004-02-13 | Inconsistency of quantum--classical dynamics, and what it implies | A new proof of the impossibility of a universal quantum-classical dynamics is given. It has at least two consequences. The standard paradigm ``quantum system is measured by a classical apparatus" is untenable, while a quantum matter can be consistently coupled only with a quantum gravity. | [
"quant-ph",
"gr-qc"
] | 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 |
118885320 | astro-ph/0402325 | 2004-02-13 | The 2MASS Wide-Field T Dwarf Search. III. Seven New T Dwarfs and Other Cool Dwarf Discoveries | We present the discovery of seven new T dwarfs identified in the Two Micron All Sky Survey. Low-resolution (R$\sim$150) 0.8--2.5 micron spectroscopy obtained with the IRTF SpeX instrument reveal the characteristic H$_2$O and CH$_4$ bands in the spectra of these brown dwarfs. Comparison to spectral standards observed wi... | [
"astro-ph"
] | null | [
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"corpus_id": "12848141",
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... | [
{
"author_id": "a burgasser_1",
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"author_id": "m mcelwain_1",
"name": "Michael [\"W.\"] McElwain",
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... | null |
119442567 | hep-ph/0402151 | 2004-02-13 | Positronium as a probe for new physics beyond the standard model | We discuss and summarize some aspects concerning the study of the positronium system to probe new physics beyond the Standard Model. | [
"hep-ph"
] | null | [
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] | [] | [
{
"author_id": "a rubbia_1",
"name": "André Rubbia",
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}
] | null |
1996110 | quant-ph/0402095 | 2004-02-14 | Limitations of Quantum Advice and One-Way Communication | Although a quantum state requires exponentially many classical bits to describe, the laws of quantum mechanics impose severe restrictions on how that state can be accessed. This paper shows in three settings that quantum messages have only limited advantages over classical ones. First, we show that $\mathsf{BQP/qpoly}\... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119417581 | cond-mat/0402387 | 2004-02-14 | Quantum thermodynamics: thermodynamics at the nanoscale | A short introduction on quantum thermodynamics is given and three new topics are discussed: 1) Maximal work extraction from a finite quantum system. The thermodynamic prediction fails and a new, general result is derived, the ``ergotropy''. 2) In work extraction from two-temperature setups, the presence of correlations... | [
"cond-mat.mes-hall",
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"quant-ph"
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{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
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{
"author_id": "r balian_1",
"name": "Roger Balian",
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4336020 | quant-ph/0402096 | 2004-02-15 | Experimental Demonstration of Five-photon Entanglement and Open-destination Teleportation | Universal quantum error-correction requires the ability of manipulating entanglement of five or more particles. Although entanglement of three or four particles has been experimentally demonstrated and used to obtain the extreme contradiction between quantum mechanics and local realism, the realization of five-particle... | [
"quant-ph"
] | null | [
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{
"author_id": "z zhao_153",
"name": "Zhi Zhao",
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{
"author_id": "y chen_575",
"name": "Yu-Ao Chen",
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119431361 | astro-ph/0402376 | 2004-02-16 | On the Black Hole Mass - Bulge Mass Relation | We have re-examined the relation between the mass of the central black holes in nearby galaxies, M_bh, and the stellar mass of the surrounding spheroid or bulge, M_bulge. For a total of 30 galaxies bulge masses were derived through Jeans equation modeling or adopted from dynamical models in the literature. In stellar m... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1780706 | cond-mat/0402425 | 2004-02-16 | Measuring electron orbital magnetic moments in carbon nanotubes | The remarkable transport properties of carbon nanotubes (NTs) are determined by their unique electronic structure (1). The electronic states of a NT form one-dimensional electron and hole subbands which, in general, are separated by an energy gap (2,3). States near the energy gap are predicted to have a large orbital m... | [
"cond-mat.mes-hall",
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8139966 | quant-ph/0402107 | 2004-02-16 | Coins Make Quantum Walks Faster | We show how to search N items arranged on a $\sqrt{N}\times\sqrt{N}$ grid in time $O(\sqrt N \log N)$, using a discrete time quantum walk. This result for the first time exhibits a significant difference between discrete time and continuous time walks without coin degrees of freedom, since it has been shown recently th... | [
"quant-ph",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18957128 | quant-ph/0402104 | 2004-02-16 | Fault-Tolerant Quantum Computation For Local Non-Markovian Noise | We derive a threshold result for fault-tolerant quantum computation for local non-Markovian noise models. The role of error amplitude in our analysis is played by the product of the elementary gate time t_0 and the spectral width of the interaction Hamiltonian between system and bath. We discuss extensions of our model... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13412553 | astro-ph/0402405 | 2004-02-17 | The origin and implications of dark matter anisotropic cosmic infall on ~L* haloes | We measure the anisotropy of dark matter flows on small scales in the near environment of haloes using a large set of simulations. We rely on two different approaches to quantify the anisotropy of the cosmic infall: we measure the flows at the haloes' virial radius while describing the infalling matter via fluxes throu... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14063514 | cond-mat/0402452 | 2004-02-17 | Short-Term Memory in Orthogonal Neural Networks | We study the ability of linear recurrent networks obeying discrete time dynamics to store long temporal sequences that are retrievable from the instantaneous state of the network. We calculate this temporal memory capacity for both distributed shift register and random orthogonal connectivity matrices. We show that the... | [
"cond-mat.dis-nn"
] | null | [
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{
"author_id": "o white_1",
"name": "Olivia [\"L.\"] White",
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{
"author_id": "d lee_5",
"name": "Daniel [\"D.\"] Lee",
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"num_papers":... | null |
3263536 | quant-ph/0402123 | 2004-02-18 | Quantum and Classical Strong Direct Product Theorems and Optimal Time-Space Tradeoffs | A strong direct product theorem says that if we want to compute k independent instances of a function, using less than k times the resources needed for one instance, then our overall success probability will be exponentially small in k. We establish such theorems for the classical as well as quantum query complexity of... | [
"quant-ph",
"cs.CC"
] | null | [
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] | null | null | null |
1980118 | quant-ph/0402130 | 2004-02-18 | A categorical semantics of quantum protocols | We study quantum information and computation from a novel point of view. Our approach is based on recasting the standard axiomatic presentation of quantum mechanics, due to von Neumann, at a more abstract level, of compact closed categories with biproducts. We show how the essential structures found in key quantum info... | [
"quant-ph",
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"math.CT",
"math.MP"
] | null | [
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] | null | null | null |
17277496 | astro-ph/0402428 | 2004-02-18 | Unbiased Estimation of an Angular Power Spectrum | We discuss the derivation of the analytic properties of the cross-power spectrum estimator from multi-detector CMB anisotropy maps. The method is computationally convenient and it provides unbiased estimates under very broad assumptions. We also propose a new procedure for testing for the presence of residual bias due ... | [
"astro-ph"
] | null | [
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] | [] | [
{
"author_id": "g polenta_1",
"name": "Gianluca Polenta",
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{
"author_id": "d marinucci_1",
"name": "Domenico Marinucci",
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7015928 | math/0402307 | 2004-02-18 | Lower estimates of transition densities and bounds on exponential ergodicity for stochastic PDE's | A formula for the transition density of a Markov process defined by an infinite-dimensional stochastic equation is given in terms of the Ornstein--Uhlenbeck bridge and a useful lower estimate on the density is provided. As a consequence, uniform exponential ergodicity and $V$-ergodicity are proved for a large class of ... | [
"math.PR",
"math-ph",
"math.MP"
] | null | [
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] | null | null | null |
18337755 | astro-ph/0402439 | 2004-02-18 | The GEMS project: X-ray analysis and statistical properties of the group sample | The GEMS project involves a multi-wavelength study of a sample of 60 galaxy groups. Substantial ROSAT PSPC observations are used to characterise the state of the intergalactic medium in each. We present the results of a uniform analysis of these ROSAT data, and a statistical investigation of the relationship between X-... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6376086 | cond-mat/0402508 | 2004-02-19 | Information Theory - The Bridge Connecting Bounded Rational Game Theory and Statistical Physics | A long-running difficulty with conventional game theory has been how to modify it to accommodate the bounded rationality of all real-world players. A recurring issue in statistical physics is how best to approximate joint probability distributions with decoupled (and therefore far more tractable) distributions. This pa... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn",
"cs.GT",
"cs.MA",
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13909831 | math-ph/0402057 | 2004-02-19 | A Novel Approach to Non-Hermitian Random Matrix Models | In this paper we propose a new method for studying spectral properties of the non-hermitian random matrix ensembles. Alike complex Green's function encodes, via discontinuities, the real spectrum of the hermitian ensembles, the proposed here quaternion extension of the Green's function leads directly to complex spectru... | [
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15548095 | hep-th/0402149 | 2004-02-19 | Rotating Circular Strings, and Infinite Non-Uniqueness of Black Rings | We present new self-gravitating solutions in five dimensions that describe circular strings, i.e., rings, electrically coupled to a two-form potential (as e.g., fundamental strings do), or to a dual magnetic one-form. The rings are prevented from collapsing by rotation, and they create a field analogous to a dipole, wi... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2354483 | astro-ph/0402443 | 2004-02-19 | Towards optimal parallel PM N-body codes: PMFAST | We present a new parallel PM N-body code named PMFAST that is freely available to the public. PMFAST is based on a two-level mesh gravity solver where the gravitational forces are separated into long and short range components. The decomposition scheme minimizes communication costs and allows tolerance for slow network... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
19768508 | astro-ph/0402475 | 2004-02-19 | L' and M' Photometry of Ultracool Dwarfs | We have compiled L' and M' photometry of 63 single and binary M, L,and T dwarfs obtained at UKIRT using the MKO filter set. This compilation includes new L' data for 8 L dwarfs and 13 T dwarfs and new M' data for 7 L dwarfs, 5 T dwarfs, and Gl 229A. We compute L_bol, BC_K, and T_eff for 42 dwarfs whose flux-calibrated ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13935086 | hep-th/0402153 | 2004-02-19 | Supersymmetric AdS_5 solutions of M-theory | We analyse the most general supersymmetric solutions of D=11 supergravity consisting of a warped product of five-dimensional anti-de-Sitter space with a six-dimensional Riemannian space M_6, with four-form flux on M_6. We show that M_6 is partly specified by a one-parameter family of four-dimensional Kahler metrics. We... | [
"hep-th",
"math.DG"
] | null | [
"target.key_reference"
] | null | null | null |
4766585 | physics/0402100 | 2004-02-19 | Phase shifts of synchronized oscillators and the systolic/diastolic blood pressure relation | We study the phase-synchronization properties of systolic and diastolic arterial pressure in healthy subjects. We find that delays in the oscillatory components of the time series depend on the frequency bands that are considered, in particular we find a change of sign in the phase shift going from the Very Low Frequen... | [
"physics.med-ph",
"physics.bio-ph",
"q-bio.TO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l angelini_2",
"name": "Leonardo Angelini",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "g lattanzi_1",
"name": "Gianluca Lattanzi",
"publication_history": null,
"h_index": null,
"num_papers... | null |
15314668 | astro-ph/0402495 | 2004-02-20 | The anti-hierarchical growth of supermassive black holes | I present a new method to unveil the history of cosmic accretion and the build-up of SMBH in the nuclei of galaxies, based on observations of the evolving radio and (hard) X-ray luminosity functions of AGN. The fundamental plane of black hole activity discovered by Merloni, Heinz & Di Matteo (2003) is used as a mass an... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119440708 | cond-mat/0402515 | 2004-02-20 | Parrondo's games and the zipping algorithm | We study the relation between the discrete--time version of the flashing ratchet known as Parrondo's games and a compression technique used very recently with thermal ratchets for evaluating the transfer of information -- negentropy -- between the Brownian particle and the source of fluctuations. We present some result... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "5864751",
"num_citations": null
}
] | [
{
"author_id": "p amengual_1",
"name": "Pau Amengual",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r toral_1",
"name": "Raúl Toral",
"publication_history": null,
"h_index": null,
"num_papers": null,
"n... | null |
13228504 | cond-mat/0402522 | 2004-02-20 | A Method to Find Community Structures Based on Information Centrality | Community structures are an important feature of many social, biological and technological networks. Here we study a variation on the method for detecting such communities proposed by Girvan and Newman and based on the idea of using centrality measures to define the community boundaries (M. Girvan and M. E. J. Newman, ... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16789367 | cond-mat/0402529 | 2004-02-20 | Minimizing energy below the glass thresholds | Focusing on the optimization version of the random K-satisfiability problem, the MAX-K-SAT problem, we study the performance of the finite energy version of the Survey Propagation (SP) algorithm. We show that a simple (linear time) backtrack decimation strategy is sufficient to reach configurations well below the lower... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119374508 | astro-ph/0402506 | 2004-02-20 | What the Optical Recombination Lines Can Tell Us About the Broad Line Regions of Active Galactic Nuclei | We investigate the effect of a global change in the ionizing continuum level on the behavior of the strong optical broad emission-lines seen in spectra of the nuclear emission-line regions of active galactic nuclei (AGN), including the Balmer lines, HeI 5876, and HeII 4686. Unlike most of the prominent heavy element li... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119406819 | hep-ph/0402237 | 2004-02-23 | Isospin breaking of the narrow charmonium state of Belle at 3872 MeV as a deuson | The narrow charmonium state near 3872 MeV reported by the Belle collaboration and confirmedby CDF lies almost exactly at the neutral D anti-D* threshold. As was predicted many years ago it can be a deuteronlike meson-meson state called a deuson. If so, it should be an axial, or possibily a pseudoscalar state with C=0, ... | [
"hep-ph",
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119343227 | cond-mat/0402548 | 2004-02-23 | Spin and Current Variations in Josephson Junctions | We study the dynamics of a single spin embedded in the tunneling barrier between two superconductors. As a consequence of pair correlations in the superconducting state, the spin displays rich and unusual dynamics. To properly describe the time evolution of the spin we derive the effective Keldysh action for the spin. ... | [
"cond-mat.mes-hall",
"cond-mat.supr-con"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a shnirman_1",
"name": "Alexander Shnirman",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "z nussinov_1",
"name": "Zohar Nussinov",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
15501288 | astro-ph/0402528 | 2004-02-23 | Imaging the first light: experimental challenges and future perspectives in the observation of the Cosmic Microwave Background Anisotropy | Measurements of the cosmic microwave background (CMB) allow high precision observation of the Last Scattering Surface at redshift $z\sim$1100. After the success of the NASA satellite COBE, that in 1992 provided the first detection of the CMB anisotropy, results from many ground-based and balloon-borne experiments have ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a mennella_1",
"name": "Aniello Mennella",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c baccigalupi_1",
"name": "Carlo Baccigalupi",
"publication_history": null,
"h_index": null,
"num_pape... | null |
18232242 | cond-mat/0402598 | 2004-02-24 | Fluctuating lattice Boltzmann | The lattice Boltzmann algorithm efficiently simulates the Navier Stokes equation of isothermal fluid flow, but ignores thermal fluctuations of the fluid, important in mesoscopic flows. We show how to adapt the algorithm to include noise, satisfying a fluctuation-dissipation theorem (FDT) directly at lattice level: this... | [
"cond-mat.stat-mech",
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
885 | cs/0402054 | 2004-02-24 | On the Security of the Yi-Tan-Siew Chaos-Based Cipher | This paper presents a comprehensive analysis on the security of the Yi-Tan-Siew chaotic cipher proposed in [IEEE TCAS-I 49(12):1826-1829 (2002)]. A differential chosen-plaintext attack and a differential chosen-ciphertext attack are suggested to break the sub-key K, under the assumption that the time stamp can be alter... | [
"cs.CR",
"cs.PF",
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s li_234",
"name": "Shujun Li",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g chen_31",
"name": "Guanrong Chen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_c... | null |
11755300 | astro-ph/0402556 | 2004-02-24 | Molecular Gas Chemistry in AGN I. The IRAM Survey of NGC1068 | There is observational evidence that nuclear winds and X-rays can heavily influence the physical conditions and chemical abundances of molecular gas in the circumnuclear disks (CND) of Active Galactic Nuclei (AGN). In this paper we probe the chemical status of molecular gas in the CND of NGC1068, a prototypical Seyfert... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119506776 | astro-ph/0402563 | 2004-02-24 | Massive molecular outflows at high spatial resolution | We present high-spatial resolution Plateau de Bure Interferometer CO(2-1) and SiO(2-1) observations of one intermediate-mass and one high-mass star-forming region. The intermediate-mass region IRAS20293+3952 exhibits four molecular outflows, one being as collimated as the highly collimated jet-like outflows observed in... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8695636 | astro-ph/0402599 | 2004-02-25 | Study of the properties and spectral energy distributions of the Herbig AeBe stars HD 34282 and HD 141569 | We present a study of the stellar parameters, distances and spectral energy distributions (SEDs) of HD 34282 and HD 141569, two pre-main sequence Herbig AeBe stars. Both objects have been reported to show `anomalous positions' in the HR diagram in the sense that they appear below the main sequence. A significant result... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4414552 | cond-mat/0402612 | 2004-02-25 | High-transition-temperature superconductivity in the absence of the magnetic-resonance mode | The fundamental mechanism that gives rise to high-transition-temperature (high-Tc) superconductivity in the copper oxide materials has been debated since the discovery of the phenomenon. Recent work has focussed on a sharp 'kink' in the kinetic energy spectra of the electrons as a possible signature of the force that c... | [
"cond-mat.supr-con"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10592179 | cond-mat/0402626 | 2004-02-25 | Continuous configuration-interaction for condensates in a ring | A continuous configuration-interaction approach for condensates in a ring is introduced. In its simplest form this approach utilizes for attractive condensates the Gross-Pitaevskii symmetry-broken solution and arrives at a ground-state of correct symmetry. Furthermore, the energy found is {\it lower} than the Gross-Pit... | [
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "o alon_1",
"name": "Ofir [\"E.\"] Alon",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "a streltsov_1",
"name": "Alexej [\"I.\"] Streltsov",
"publication_history": null,
"h_index": null,
"num_... | null |
15492473 | hep-th/0402216 | 2004-02-26 | A critical dimension in the black-string phase transition | In spacetimes with compact dimensions there exist several black object solutions including the black-hole and the black-string. These solutions may become unstable depending on their relative size and the relevant length scale set by the compact dimensions. The transition between these solutions raises puzzles and addr... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119525597 | hep-th/0402207 | 2004-02-26 | Classical/quantum integrability in AdS/CFT | We discuss the AdS/CFT duality from the perspective of integrable systems and establish a direct relationship between the dimension of single trace local operators composed of two types of scalar fields in N=4 super Yang-Mills and the energy of their dual semiclassical string states in AdS(5) X S(5). The anomalous dime... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13988880 | quant-ph/0402207 | 2004-02-26 | A Theory of Concepts and Their Combinations I: The Structure of the Sets of Contexts and Properties | We propose a theory for modeling concepts that uses the state-context-property theory (SCOP), a generalization of the quantum formalism, whose basic notions are states, contexts and properties. This theory enables us to incorporate context into the mathematical structure used to describe a concept, and thereby model ho... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
42787585 | gr-qc/0402123 | 2004-02-26 | Strongly hyperbolic second order Einstein's evolution equations | BSSN-type evolution equations are discussed. The name refers to the Baumgarte, Shapiro, Shibata, and Nakamura version of the Einstein evolution equations, without introducing the conformal-traceless decomposition but keeping the three connection functions and including a densitized lapse. It is proved that a pseudo-dif... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4408378 | astro-ph/0402622 | 2004-02-26 | The formation of massive black holes through collision runaway in dense young star clusters | A luminous X-ray source is associated with a cluster (MGG-11) of young stars \~200pc from the center of the starburst galaxy M82. The properties of the X-ray source are best explained by a black hole with a mass of at least 350Msun, which is intermediate between stellar-mass and supermassive black holes. A nearby but s... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18254873 | quant-ph/0402202 | 2004-02-26 | Constructing finite dimensional codes with optical continuous variables | We show how a qubit can be fault-tolerantly encoded in the infinite-dimensional Hilbert space of an optical mode. The scheme is efficient and realizable with present technologies. In fact, it involves two travelling optical modes coupled by a cross-Kerr interaction, initially prepared in coherent states, one of which i... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17065661 | astro-ph/0402620 | 2004-02-26 | Effects of Helium Phase Separation on the Evolution of Extrasolar Giant Planets | We build on recent new evolutionary models of Jupiter and Saturn and here extend our calculations to investigate the evolution of extrasolar giant planets of mass 0.15 to 3.0 M_J. Our inhomogeneous thermal history models show that the possible phase separation of helium from liquid metallic hydrogen in the deep interio... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1900053 | cond-mat/0402680 | 2004-02-27 | Feedback control in a collective flashing ratchet | An ensemble of Brownian particles in a feedback controlled flashing ratchet is studied. The ratchet potential is switched on and off depending on the position of the particles, with the aim of maximizing the current. We study in detail a protocol which maximizes the instant velocity of the center of mass of the ensembl... | [
"cond-mat.stat-mech",
"cond-mat.mes-hall",
"q-bio.BM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119737888 | math/0402462 | 2004-02-27 | Real Numbers With Polynomial Continued Fraction Expansions | In this paper we show how to apply various techniques and theorems (including Pincherle's theorem, an extension of Euler's formula equating infinite series and continued fractions, an extension of the corresponding transformation that equates infinite products and continued fractions, extensions and contractions of con... | [
"math.NT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53360659 | hep-ph/0403004 | 2004-02-29 | Dark Matter at Colliders: a Model-Independent Approach | Assuming that cosmological dark matter consists of weakly interacting massive particles, we use the recent precise measurement of cosmological parameters to predict the guaranteed rates of production of such particles in association with photons at electron-positron colliders. Our approach is based on general physical ... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16962912 | cond-mat/0403046 | 2004-03-01 | Velocity Profiles in Repulsive Athermal Systems under Shear | We conduct molecular dynamics simulations of athermal systems undergoing boundary-driven planar shear flow in two and three spatial dimensions. We find that these systems possess nonlinear mean velocity profiles when the velocity $u$ of the shearing wall exceeds a critical value $u_c$. Above $u_c$, we also show that th... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n xu_20",
"name": "Ning Xu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c o’hern_1",
"name": "Corey [\"S.\"] O’Hern",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
14641992 | math/0403022 | 2004-03-01 | Phase transition of the largest eigenvalue for non-null complex sample covariance matrices | We compute the limiting distributions of the largest eigenvalue of a complex Gaussian sample covariance matrix when both the number of samples and the number of variables in each sample become large. When all but finitely many, say $r$, eigenvalues of the covariance matrix are the same, the dependence of the limiting d... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
52088403 | cond-mat/0403053 | 2004-03-01 | Spin glass models with ferromagnetically biased couplings on the Bethe lattice: analytic solutions and numerical simulations | We derive the zero-temperature phase diagram of spin glass models with a generic fraction of ferromagnetic interactions on the Bethe lattice. We use the cavity method at the level of one-step replica symmetry breaking (1RSB) and we find three phases: A replica-symmetric (RS) ferromagnetic one, a magnetized spin glass o... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t castellani_1",
"name": "Tommaso Castellani",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "f krzakala_1",
"name": "Florent Krzakala",
"publication_history": null,
"h_index": null,
"num_pape... | null |
118838144 | hep-th/0403023 | 2004-03-01 | Caroll-Field-Jackiw electrodynamics in the pre-metric framework | We analyze the Carroll-Field-Jackiw (CFJ) modification of electrodynamics reformulated as the ordinary Maxwell theory with an additional special axion field. In this form, the CFJ model appears as a special case of the pre-metric approach recently developed by Hehl and Obukhov. This embedding turns out to be non-trivia... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y itin_1",
"name": "Y. Itin",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
16367275 | cond-mat/0403051 | 2004-03-01 | Fitness-dependent topological properties of the World Trade Web | Among the proposed network models, the hidden variable (or good get richer) one is particularly interesting, even if an explicit empirical test of its hypotheses has not yet been performed on a real network. Here we provide the first empirical test of this mechanism on the world trade web, the network defined by the tr... | [
"cond-mat.dis-nn",
"nlin.AO",
"physics.soc-ph",
"q-fin.GN"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
22663472 | cond-mat/0403030 | 2004-03-01 | A statistical mechanics model for the emergence of consensus | The statistical properties of pairwise majority voting over S alternatives is analyzed in an infinite random population. We first compute the probability that the majority is transitive (i.e. that if it prefers A to B to C, then it prefers A to C) and then study the case of an interacting population. This is described ... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54764035 | quant-ph/0403014 | 2004-03-02 | Relativistically invariant quantum information | We show that quantum information can be encoded into entangled states of multiple indistinguishable particles in such a way that any inertial observer can prepare, manipulate, or measure the encoded state independent of their Lorentz reference frame. Such relativistically invariant quantum information is free of the di... | [
"quant-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "s bartlett_1",
"name": "Stephen [\"D.\"] Bartlett",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d terno_1",
"name": "Daniel [\"R.\"] Terno",
"publication_history": null,
"h_index": null,
"n... | null |
119067661 | astro-ph/0403073 | 2004-03-02 | Exact likelihood evaluations and foreground marginalization in low resolution WMAP data | The existing analysis of WMAP data is based on approximations for the likelihood function, which is likely to be inaccurate on large scales. Here we present exact evaluations of the likelihood of the low multipoles by direct inversion of the theoretical covariance matrix for low resolution WMAP maps. We project out the... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a slosar_1",
"name": "Anže Slosar",
"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,
"nu... | null |
118948579 | hep-ex/0403007 | 2004-03-02 | Branching Fraction Measurements of B ->etac K Decays | We study the decays B+ -> etac K+ and B0 -> etac K0, where the etac is reconstructed in the Ks K+ pi- and K+ K- pi0 decay modes. Results are based on a sample of 86 million BBbar pairs collected with the BaBar detector at the SLAC e+e- B Factory. We measure the branching fractions BR(B+ -> etac K+) = (1.34 +/- 0.09 +/-... | [
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17504370 | quant-ph/0403025 | 2004-03-03 | Universal Quantum Computation with ideal Clifford gates and noisy ancillas | We consider a model of quantum computation in which the set of elementary operations is limited to Clifford unitaries, the creation of the state $|0\rangle$ computational basis. In addition, we allow the creation of a one-qubit ancilla in a mixed state $\rho$, which should be regarded as a parameter of the model. Our g... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12824827 | quant-ph/0403028 | 2004-03-03 | Applications of Electromagnetically Induced Transparency to Quantum Information Processing | We provide a broad outline of the requirements that should be met by components produced for a Quantum Information Technology (QIT) industry, and we identify electromagnetically induced transparency (EIT) as potentially key enabling science toward the goal of providing widely available few-qubit quantum information pro... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "119331511",
"num_citations": null
},
{
"corpus_id": "54777973",
"num_citations": null
}
] | [
{
"author_id": "r beausoleil_2",
"name": "Raymond [\"G.\"] Beausoleil",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "w munro_1",
"name": "William [\"J.\"] Munro",
"publication_history": null,
"h_index": null,
... | null |
118177156 | gr-qc/0403015 | 2004-03-03 | Quantum Cosmology for Tunneling Universes | In a quantum cosmological model consisting of a Euclidean region and a Lorentzian region, Hartle-Hawking's no-bounary wave function, and Linde's wave function and Vilenkin's tunneling wave function are briefly described and compared with each other. We put a particular emphasis on semiclassical gravity from quantum cos... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2350477 | math-ph/0403003 | 2004-03-03 | Periodic Homogenization for Hypoelliptic Diffusions | We study the long time behavior of an Ornstein-Uhlenbeck process under the influence of a periodic drift. We prove that, under the standard diffusive rescaling, the law of the particle position converges weakly to the law of a Brownian motion whose covariance can be expressed in terms of the solution of a Poisson equat... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6740960 | hep-ex/0403008 | 2004-03-04 | A Study of J/psi-->gamma gamma V(rho,phi) Decays with the BESII Detector | Using a sample of $58\times 10^6$ $J/\psi$ events collected with the BESII detector, radiative decays $J/\psi\to\gamma\gamma V$, where $V=\rho$ or $\phi$, are studied. A resonance around 1420 MeV/c$^2$ (X(1424)) is observed in the $\gamma\rho$ mass spectrum. Its mass and width are measured to be $1424\pm 10(stat)\pm 11... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j bai_33",
"name": "J. [\"Z.\"] Bai",
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},
{
"author_id": "y ban_8",
"name": "Y. Ban",
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"num_cita... | null |
96443456 | nlin/0403005 | 2004-03-05 | A simple model for self organization of bipartite networks | We suggest a minimalistic model for directed networks and suggest an application to injection and merging of magnetic field lines. We obtain a network of connected donor and acceptor vertices with degree distribution $1/s^2$, and with dynamical reconnection events of size $\Delta s$ occurring with frequency that scale ... | [
"nlin.AO",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k sneppen_1",
"name": "Kim Sneppen",
"publication_history": null,
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"num_citations": null
},
{
"author_id": "m rosvall_1",
"name": "Martin Rosvall",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
17579894 | astro-ph/0403152 | 2004-03-05 | Stability of Terrestrial Planets in the Habitable Zone of Gl 777 A, HD 72659, Gl 614, 47 Uma and HD 4208 | We have undertaken a thorough dynamical investigation of five extrasolar planetary systems using extensive numerical experiments. The systems Gl 777 A, HD 72659, Gl 614, 47 Uma and HD 4208 were examined concerning the question of whether they could host terrestrial like planets in their habitable zones (=HZ). First we ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n asghari_0",
"name": "N. Asghari",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c broeg_1",
"name": "Christopher Broeg",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
1481 | cs/0403008 | 2004-03-06 | Polynomial-time computing over quadratic maps I: sampling in real algebraic sets | Given a quadratic map Q : K^n -> K^k defined over a computable subring D of a real closed field K, and a polynomial p(Y_1,...,Y_k) of degree d, we consider the zero set Z=Z(p(Q(X)),K^n) of the polynomial p(Q(X_1,...,X_n)). We present a procedure that computes, in (dn)^O(k) arithmetic operations in D, a set S of (real u... | [
"cs.SC",
"cs.CG",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10273857 | cond-mat/0403225 | 2004-03-08 | Universal Impedance Fluctuations in Wave Chaotic Systems | We experimentally investigate theoretical predictions of universal impedance fluctuations in wave chaotic systems using a microwave analog of a quantum chaotic infinite square well potential. Our approach emphasizes the use of the radiation impedance to remove the non-universal effects of the particular coupling from t... | [
"cond-mat.dis-nn",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "s hemmady_1",
"name": "Sameer Hemmady",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "x zheng_33",
"name": "Xing Zheng",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
123394062 | astro-ph/0403192 | 2004-03-08 | Multiply-imaged submm galaxy in a z~2.5 group | We present observations of a remarkable submillimetre-selected galaxy, SMMJ16359+6612. This distant galaxy lies behind the core of a massive cluster of galaxies, A2218, and is gravitationally lensed by the foreground cluster into three discrete images which were identified in deep submillimetre maps of the cluster core... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14389981 | nlin/0403012 | 2004-03-08 | Rayleigh-Benard Convection in Large-Aspect-Ratio Domains | The coarsening and wavenumber selection of striped states growing from random initial conditions are studied in a non-relaxational, spatially extended, and far-from-equilibrium system by performing large-scale numerical simulations of Rayleigh-B\'{e}nard convection in a large-aspect-ratio cylindrical domain with experi... | [
"nlin.PS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m paul_4",
"name": "Mark [\"R.\"] Paul",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "k chiam_1",
"name": "Keng-Hwee Chiam",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
11318130 | cond-mat/0403203 | 2004-03-08 | Ordering phenomena in cooling granular mixtures | We report two phenomena, induced by dynamical correlations, that occur during the free cooling of a two-dimensional mixture of inelastic hard disks. First, we show that, due to the onset of velocity correlations, the ratio of the kinetic energies associated with the two species changes from the value corresponding to t... | [
"cond-mat.stat-mech",
"cond-mat.soft"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c cattuto_1",
"name": "Ciro Cattuto",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "u marconi_1",
"name": "Umberto [\"Marini\",\"Bettolo\"] Marconi",
"publication_history": null,
"h_index": null,... | null |
14153186 | astro-ph/0403186 | 2004-03-08 | Searching for periods in X-ray observations using Kuiper's test. Application to the ROSAT PSPC archive | We use Kuiper's test to detect periodicities in X-ray and gamma-ray observations. Like Rayleigh's test, it uses the individual photon arrival times, and is therefore well suited to the analysis of faint sources. Our method makes it possible to take into account the discontinuities in the observation, and to completely ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "s paltani_1",
"name": "Stéphane Paltani",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
119106354 | astro-ph/0403193 | 2004-03-08 | Was the Universe Reionized at Redshift 10? | Recently, Pello et al. (2004) claimed to have discovered a galaxy at a redshift z=10, and identified a feature in its spectrum with a hydrogen Lyman-alpha emission line. If this identification is correct, we show that the intergalactic medium (IGM) around the galaxy must be significantly ionized; otherwise, the damping... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9883628 | quant-ph/0403062 | 2004-03-08 | Demonstration of an all-optical quantum controlled-NOT gate | The promise of tremendous computational power, coupled with the development of robust error-correcting schemes, has fuelled extensive efforts to build a quantum computer. The requirements for realizing such a device are confounding: scalable quantum bits (two-level quantum systems, or qubits) that can be well isolated ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6955171 | hep-th/0403073 | 2004-03-08 | Inhomogeneous Fragmentation of the Rolling Tachyon | Dirac-Born-Infeld type effective actions reproduce many aspects of string theory classical tachyon dynamics of unstable Dp-branes. The inhomogeneous tachyon field rolling from the top of its potential forms topological defects of lower codimensions. In between them, as we show, the tachyon energy density fragments into... | [
"hep-th",
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6340239 | quant-ph/0403069 | 2004-03-09 | Computational Indistinguishability between Quantum States and Its Cryptographic Application | We introduce a computational problem of distinguishing between two specific quantum states as a new cryptographic problem to design a quantum cryptographic scheme that is "secure" against any polynomial-time quantum adversary. Our problem, QSCDff, is to distinguish between two types of random coset states with a hidden... | [
"quant-ph",
"cs.CR"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "2337707",
"num_citations": null
}
] | [
{
"author_id": "a kawachi_1",
"name": "Akinori Kawachi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t koshiba_0",
"name": "Takeshi Koshiba",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
16254857 | math/0403171 | 2004-03-10 | Littelmann paths and brownian paths | We study some path transformations related to Littelmann path model and their applications to representation theory and Brownian motion in a Weyl chamber. | [
"math.RT",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17255668 | hep-th/0403110 | 2004-03-10 | A toy model for the AdS/CFT correspondence | We study the large N gauged quantum mechanics for a single Hermitian matrix in the Harmonic oscillator potential well as a toy model for the AdS/CFT correspondence. We argue that the dual geometry should be a string in two dimensions with a curvature of stringy size. Even though the dual geometry is not weakly curved, ... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119092615 | astro-ph/0403255 | 2004-03-10 | Galaxy-galaxy weak lensing in SDSS: intrinsic alignments and shear calibration errors | Galaxy-galaxy lensing has emerged as a powerful probe of the dark matter halos of galaxies, but is subject to contamination if intrinsically aligned satellites of the lens galaxy are used as part of the source sample. We present a measurement of this intrinsic shear using 200,747 lens galaxies from the Sloan Digital Sk... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "40393799",
"num_citations": null
},
{
"corpus_id": "14548612",
"num_citations": null
},
{
"corpus_id": "10794058",
"num_citations": null
},
{
"corpus_id": "730576",
"num_citations": null
},
{
"corpus_id": "16248523",
"num_citations": null
},
... | [
{
"author_id": "c hirata_1",
"name": "Christopher [\"M.\"] Hirata",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r mandelbaum_1",
"name": "Rachel Mandelbaum",
"publication_history": null,
"h_index": null,
"... | null |
5226717 | math/0403177 | 2004-03-10 | On the complexity of braids | We define a measure of "complexity" of a braid which is natural with respect to both an algebraic and a geometric point of view. Algebraically, we modify the standard notion of the length of a braid by introducing generators $\Delta\_{ij}$, which are Garside-like half-twists involving strings $i$ through $j$, and by co... | [
"math.GT",
"math.GR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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