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Searching for the QCD Critical Point Using Particle Ratio Fluctuations and Higher Moments of Multiplicity Distributions
QCD Particle Ratio Fluctuations Multiplicity Distributions
2011/7/20
Dynamical fluctuations in global conserved quantities such as baryon number, strangeness, or charge may be observed near a QCD critical point. Results from new measurements of dynamical $K/\pi$, $p/\p...
A Study of the QCD Critical Point Using Particle Ratio Fluctuations
QCD Critical Point Particle Ratio Fluctuations
2011/7/20
Dynamical fluctuations in global conserved quantities such as baryon number, strangeness, or charge may be observed near a QCD critical point. Results from new measurements of dynamical $K/\pi$ and $p...
Sharp asymptotics for Toeplitz determinants, fluctuations and the gaussian free field on a Riemann surface
Sharp asymptotics fluctuations the gaussian free Riemann surface
2011/7/26
Abstract: We consider canonical determinantal point processes with N particles on a compact Riemann surface X defined with respect to the constant curvature metric and show that in the large N-limit t...
Entropic Fluctuations in Quantum Statistical Mechanics. An Introduction
Entropic Fluctuations Quantum Statistical Mechanics
2011/7/26
Abstract: These lecture notes provide an elementary introduction, within the framework of finite quantum systems, to recent developments in the theory of entropic fluctuations.
Fluctuations of Matrix Entries of Regular Functions of Sample Covariance Random Matrices
Matrix Entries Sample Covariance Random Matrices Probability
2011/7/27
Abstract: We extend the results about the fluctuations of the matrix entries of regular functions of Wigner matrices to the case of sample covariance random matrices.
Aspects of the UV/IR correspondence : energy broadening and string fluctuations
the UV/IR correspondence energy broadening string fluctuations
2010/12/23
We show that a source which radiates in the vacuum of the strongly coupled N=4 SYM theory produces an energy distribution which, in the supergravity approximation, has the same space-time pattern as ...
Conductance fluctuations in metallic nanogaps made by electromigration
Conductance fluctuations metallic nanogaps
2010/11/25
We report on low temperature conductance measurements of gold nanogaps fabricated by ontrolled electro-migration. Fluctuations of the conductance due to quantum interferences and depending both on bia...
Particle number fluctuations and correlations in transfer reactions obtained using the Balian-Veneroni variational principle
Particle number fluctuations correlations transfer reactions obtained Balian-Veneroni variational principle
2011/1/6
The Balian-V´en´eroni (BV) variational principle, which optimizes the evolution of the state ac-cording to the relevant observable in a given variational space, is used at the mean-field l...
Quantum fluctuations in the effective pseudospin-1/2 model for magnetic pyrochlore oxides
effective pseudospin-1/2 model magnetic pyrochlore oxides
2010/11/25
The e ective quantum pseudospin-1=2 model for interacting rare-earth magnetic moments, which
are locally described with atomic doublets, is studied theoretically for magnetic pyrochlore oxides.It is ...
Spin and Charge Fluctuations in the $\alpha$-structure Layered Nitride Superconductors
Spin Charge Fluctuations alpha$-structure Layered Nitride Superconductors
2010/11/24
To explore conditions underlying the superconductivity in electron-doped TiNCl where Tc = 16
K, we calculate the electronic structure, Wannier functions and spin and charge usceptibilities
using rs...
Anisotropic spin fluctuations and superconductivity in "115'' heavy fermion compounds: 59Co NMR study in PuCoGa5
StoAnisotropic spin fluctuations superconductivity NMR study in PuCoGa5
2010/11/24
We report results of 59Co nuclear magnetic resonance measurements on a single crystal of super-
conducting PuCoGa5 in its normal state. The nuclear spin-lattice relaxation rates and the Knight shifts...
A Note on Non-equilibrium Work Fluctuations and Equilibrium Free Energies
Classical Statistical Mechanics Thermodynamics Non-equilibrium and Irreversible Thermodynamics
2010/11/24
We consider in this paper, a few important issues in non-equilibrium work fluctuations and
their relations to equilibrium free energies. First we show that Jarzynski identity can be viewed as a cumul...
Evidence for strong orbital fluctuations below the Jahn-Teller transition in Sr$_3$Cr$_2$O$_8$
Evidence for strong orbital fluctuations Jahn-Teller transition
2010/11/23
We report on the magnetic and phononic excitation spectrum of Sr3Cr2O8 determined by THz and
infrared (IR) spectroscopy, specific heat, and electron spin resonance measurements. We identify the singl...
Nonequilibrium Fluctuations in a Gaussian Galton Board (or Periodic Lorentz Gas) Using Long Periodic Orbits
Galton Board Lyapunov Spectrum Fluctuations Nonequilibrium
2010/11/19
Predicting nonequilibrium fluctuations requires a knowledge of nonequilibrium distribution functions.Despite the distributions’ fractal character some theoretical results, “Fluctuation Theorems”,remin...
Statistical and dynamical fluctuations in the ratios of higher cumulants in relativistic heavy ion collisions
Statistical dynamical fluctuations ratios higher cumulants relativistic heavy ion collisions
2010/12/29
The statistical and dynamical fluctuations in the ratios of higher net-proton cumulants are firstly estimated and discussed. It is shown that the statistical fluctuations dominate the behavior of the ...