Author profile: Brey Abalo, José Javier
Institutional data
Name | Brey Abalo, José Javier |
Department | Física Atómica, Molecular y Nuclear |
Knowledge area | Física Teórica |
Professional category | Investigador Honorario |
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No. publications
115
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22539
Publications |
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Article
Kinetic theory of a confined quasi-one-dimensional gas of hard disks
(Elsevier, 2022)
A dilute gas of hard disks confined between two straight parallel lines is considered. The distance between the two ... |
Article
Self-diffusion in a quasi-two-dimensional gas of hard spheres
(American Physical Society, 2020)
A quasi-two-dimensional system of hard spheres strongly confined between two parallel plates is considered. The attention ... |
Article
Kinetic model for a confined quasi-two-dimensional gas of inelastic hard spheres
(Institute of Physics Publishing, 2020)
The local balance equations for the density, momentum, and energy of a dilute gas of elastic or inelastic hard spheres, ... |
Article
Understanding an instability in vibrated granular monolayers
(American Physical Society, 2019)
We investigate the dynamics of an ensemble of smooth inelastic hard spheres confined between two horizontal plates separated ... |
Article
Inhomogeneous cooling state of a strongly confined granular gas at low density
(American Physical Society, 2019)
The inhomogeneous cooling state describing the hydrodynamic behavior of a freely evolving granular gas strongly confined ... |
Article
Homogeneous dynamics in a vibrated granular monolayer
(Institute of Physics Publishing, 2019)
A simple model of a vibrated granular monolayer is studied. It consists of inelastic hard spheres confined between two ... |
Final Degree Project
Teoremas de fluctuación del trabajo en el modelo de Ising
(2018)
En este trabajo se efectúa un análisis numérico de los teoremas de fluctuación del trabajo formulados por Bochkov y ... |
Article
The Enskog Equation for Confined Elastic Hard Spheres
(Springer Nature, 2018)
A kinetic equation for a system of elastic hard spheres or disks confined by a hard wall of arbitrary shape is derived. ... |
Article
Kinetic Theory of a Confined Quasi-Two-Dimensional Gas of Hard Spheres
(MDPI, 2017)
The dynamics of a system of hard spheres enclosed between two parallel plates separated a distance smaller than two particle ... |
Article
Boltzmann kinetic equation for a strongly confined gas of hard spheres
(American Physical Society, 2017)
A Boltzmann-like kinetic equation for a quasi-two-dimensional gas of hard spheres is derived. The system is confined between ... |
Article
Stability analysis of the homogeneous hydrodynamics of a model for a confined granular gas
(American Physical Society, 2016)
The linear hydrodynamic stability of a model for confined quasi-two-dimensional granular gases is analyzed. The system ... |
Article
Kinetic equation and nonequilibrium entropy for a quasi-two-dimensional gas
(American Physical Society, 2016)
A kinetic equation for a dilute gas of hard spheres confined between two parallel plates separated a distance smaller than ... |
Article
Anomalous self-diffusion in a freely evolving granular gas near the shearing instability
(American Physical Society, 2015)
The self-diffusion coefficient of a granular gas in the homogeneous cooling state is analyzed near the shearing instability. ... |
Article
Hydrodynamics for a model of a confined quasi-two-dimensional granular gas
(American Physical Society, 2015)
The hydrodynamic equations for a model of a confined quasi-two-dimensional gas of smooth inelastic hard spheres are derived ... |
Article
Power-law decay of the velocity autocorrelation function of a granular fluid in the homogeneous cooling state
(American Physical Society, 2015)
The hydrodynamic part of the velocity autocorrelation function of a granular fluid in the homogeneous cooling state has ... |
Article
Homogeneous hydrodynamics of a collisional model of confined granular gases
(American Physical Society, 2014)
The hydrodynamic equation governing the homogeneous time evolution of the temperature in a model of confined granular gas ... |
Article
Fluctuations in the uniform shear flow state of a granular gas
(Institute of Physics Publishing, 2014)
Using kinetic theory we analyse the fluctuations of the total internal energy of a granular gas under stationary uniform ... |
Article
Memory effects in the relaxation of a confined granular gas
(American Physical Society, 2014)
The accuracy of a model to describe the horizontal dynamics of a confined quasi-two-dimensional system of inelastic hard ... |
Article
Steady self-diffusion in classical gases
(IOP Publishing Ltd., 2013)
A steady self-diffusion process in a gas of hard spheres at equilibrium is analyzed. The system exhibits a constant gradient ... |
Article
Uniform self-diffusion in a granular gas
(American Institute of Physics, 2013)
A granular gas composed of inelastic hard spheres or disks in the homogeneous cooling state is considered. Some of the ... |
Article
Shearing instability of a dilute granular mixture
(American Physical Society, 2013)
The shearing instability of a dilute granular mixture composed of smooth inelastic hard spheres or disks is investigated. ... |
Article
Homogeneous steady state of a confined granular gas
(American Physical Society, 2013)
The nonequilibrium statistical mechanics and kinetic theory for a model of a confined quasi-two-dimensional gas of inelastic ... |
Article
Internal energy fluctuations of a granular gas under steady uniform shear flow
(American Physical Society, 2012)
The stochastic properties of the total internal energy of a dilute granular gas in the steady uniform shear flow state are ... |
Presentation
Steady Representation of the Homogeneous Cooling State of a Granular Mixture
(AIP Publishing, 2012)
The study of a freely evolving granular mixture using particle simulations presents the inherent limitation that, as a ... |
Article
Rheological effects in the linear response and spontaneous fluctuations of a sheared granular gas
(American Physical Society, 2012)
The decay of a small homogeneous perturbation in the temperature of a dilute granular gas in the steady uniform shear flow ... |
Presentation
Heat Flux in a Granular Gas
(AIP Publishing, 2012)
A peculiarity of the hydrodynamic Navier-Stokes equations for a granular gas is the modification of the Fourier law, with ... |
Article
Thermal segregation of intruders in the Fourier state of a granular gas
(2012)
A low density binary mixture of granular gases is considered within the Boltzmann kinetic theory. One component, the ... |
Article
Equilibration and symmetry breaking in vibrated granular systems
(IOP Publishing Ltd., 2011)
The steady states of two vibrated granular gases separated by an adiabatic piston are investigated. The system exhibits a ... |
Article |
Article
Fluctuating Navier-Stokes equations for inelastic hard spheres or disks
(American Physical Society, 2011)
Starting from the fluctuating Boltzmann equation for smooth inelastic hard spheres or disks, closed equations for the ... |
Article
Cooling rates and energy partition in inhomogeneous fluidized granular mixtures
(American Physical Society, 2011)
The local cooling rates of the components of a vibrated binary granular mixture in a steady state are investigated. The ... |
Article
Breakdown of hydrodynamics in the inelastic Maxwell model of granular gases
(American Physical Society, 2010)
Both the right and left eigenfunctions and eigenvalues of the linearized homogeneous Boltzmann equation for inelastic ... |
Article
Volume fluctuations and compressibility of a vibrated granular gas
(American Physical Society, 2010)
The volume fluctuations in the steady state reached by a vibrated granular gas of hard particles confined by a movable ... |
Presentation
Fluctuations of a piston on top of a fluidized granular gas
(American Institute of Physics, 2009)
A fluidized granular gas in presence of a gravitational field is considered. It is enclosed in a box with a movable piston ... |
Article
Hydrodynamic character of the nonequipartition of kinetic energy in binary granular gases
(American Physical Society, 2009)
The influence of the heating mechanism on the kinetic energy densities of the components of a vibrated granular mixture ... |
Article
Fluctuating hydrodynamics for dilute granular gases
(American Physical Society, 2009)
Starting from the kinetic equations for the fluctuations and correlations of a dilute gas of inelastic hard spheres or ... |
Article
Vibrated granular gas confined by a piston
(American Physical Society, 2009)
The steady state of a vibrated granular gas confined by a movable piston on top is discussed. Particular attention is given ... |
Article
Breakdown of the fluctuation-dissipation relations in granular gases
(IOP Publishing Ltd., 2008)
A numerical molecular dynamics experiment measuring the two-time correlation function of the transversal velocity field ... |
Article
Shear state of freely evolving granular gases
(American Physical Society, 2008)
Hydrodynamic equations are used to identify the final state reached by a freely evolving granular gas above but close to ... |
Article
Scaling and aging in the homogeneous cooling state of a granular fluid of hard particles
(Institute of Physics Publishing, 2007)
The presence of the aging phenomenon in the homogeneous cooling state (HCS) of a granular fluid composed of inelastic hard ... |
Article
Mesoscopic theory of critical fluctuations in isolated granular gases
(American Physical Review, 2006)
Fluctuating hydrodynamics is used to describe the total energy fluctuations of a freely evolving gas of inelastic hard ... |
Article
Transport coefficients for dense hard-disk systems
(American Physical Society, 2006)
A study of the transport coefficients of a system of elastic hard disks based on the use of Helfand-Einstein expressions ... |
PhD Thesis |
Article
Hydrodynamic profiles for an impurity in an open vibrated granular gas
(American Physical Society, 2006)
The hydrodynamic state of an impurity immersed in a low density granular gas is analyzed. Explicit expressions for the ... |
Article
Energy partition and segregation for an intruder in a vibrated granular system under gravity
(American Physical Society, 2005)
The difference of temperatures between an impurity and the surrounding gas in an open vibrated granular system is studied. ... |
Article
Scaling and universality of critical fluctuations in granular gases
(American Physical Society, 2005)
The total energy fluctuations of a low-density granular gas in the homogeneous cooling state near the threshold of the ... |
Presentation
Heat flux in a vibrated granular gas: the diffusive heat conductivity coefficient
(AIP Publishing, 2005)
The transport coefficient coupling heat flux and density gradient in a granular gas is measured by taking advantage of the ... |
Presentation
Green-Kubo representation of the viscosity of granular gases
(AIP Publishing, 2005)
The Green-Kubo representation of the shear viscosity of a dilute gas of inelastic hard disks derived from the Boltzmann ... |
Article
Hydrodynamic modes for a granular gas from kinetic theory
(American Physical Society, 2005)
Small perturbations of the homogeneous cooling state for a low density granular gas are described by means of the linearized ... |
Article |
Article
Hydrodynamic modes, Green-Kubo relations, and velocity correlations in dilute granular gases
(Institute of Physics Publishing, 2005)
It is shown that the hydrodynamic modes of a dilute granular gas of inelastic hard spheres can be identified, and calculated ... |
Article
Heat flux and upper boundary condition in an open fluidized granular gas
(IOP Publishing Ltd., 2004)
The transport coefficient coupling heat flux and density gradient in a granular gas is measured by taking advantage of the ... |
Article
Steady-state representation of the homogeneous cooling state of a granular gas
(American Physical Society, 2004)
The properties of a dilute granular gas in the homogeneous cooling state are mapped to those of a stationary state by means ... |
Article
Energy fluctuations in the homogeneous cooling state of granular gases
(American Physical Society, 2004)
Starting from the hierarchy of equations for microscopic densities in phase space, a general theory for fluctuations and ... |
Article
Validity of the Boltzmann equation to describe low-density granular systems
(American Physical Society, 2004)
The departure of a granular gas in the instable region of parameters from the initial homogeneous cooling state is studied. ... |
Article
Simulation study of the Green-Kubo relations for dilute granular gases
(American Physical Society, 2004)
The Green-Kubo relations for dilute granular gases are employed to compute their transport coefficients by means of the ... |
Article
Dynamics and steady state of a vibrated granular binary mixture model
(IOP Publishing Ltd., 2003)
A model for the dynamical evolution of a granular binary mixture is analyzed. This system is submitted to a tapping ... |
Article
Velocity distribution of fluidized granular gases in the presence of gravity
(American Physical Society, 2003)
The velocity distribution of a fluidized dilute granular gas in the direction perpendicular to the gravitational field is ... |
PhD Thesis |
Article
Effective dynamics and steady state of an Ising model submitted to tapping processes
(American Physical Society, 2002)
A one-dimensional Ising model with nearest neighbor interactions is applied to study compaction processes in granular ... |
Article
Memory effects in the relaxation of ising models
(IOP Publishing Ltd., 2002)
It is analytically shown that the one-dimensional Ising model with Glauber dynamics exhibits short-time memory effects ... |
Article
Transversal inhomogeneities in dilute vibrofluidized granular fluids
(American Physical Society, 2002)
The spontaneous symmetry breaking taking place in the direction perpendicular to the energy flux in a dilute vibrofluidized ... |
Article
Closed model for granular compaction under weak tapping
(American Physical Society, 2002)
A one-dimensional lattice model is formulated to study tapping dynamics and the long time steady distribution in granular ... |
Article
Slow logarithmic relaxation in models with hierarchically constrained dynamics
(American Physical Society, 2001)
A general kind of model with hierarchically constrained dynamics is shown to exhibit logarithmic anomalous relaxation ... |
Chapter of Book
Hydrodynamic Transport Coefficients of Granular Gases
(Springer-Verlag, 2001)
Some transport properties of granular gases are investigated. Starting from a kinetic theory level of description, the ... |
Article
Hydrodynamics of an open vibrated granular system
(American Physical Society, 2001)
Using the hydrodynamic description and molecular dynamics simulations, the steady state of a fluidized granular system in ... |
Article
Fourier state of a fluidized granular gas
(European Physical Society, 2001)
It is shown that the Boltzmann equation for smooth inelastic hard disks or spheres admits a solution describing a steady ... |
Article
Linear response of vibrated granular systems to sudden changes in the vibration intensity
(American Physical Society, 2001)
The short-term memory effects recently observed in vibration-induced compaction of granular materials are studied. It is ... |
PhD Thesis
Hidrodinámica de los medios granulares diluidos
(2001)
Se ha analizado diversos aspectos de la teoría cinética y la hidrodinámica de los flujos granulares diluidos, utilizando ... |
Article
Hydrodynamic Maxwell demon in granular systems
(American Physical Society, 2001)
Spontaneous symmetry breaking in a vibrated system confined into two connected compartments in the absence of external ... |
Article
Glasslike dynamical behavior in hierarchical models submitted to continuous cooling and heating processes
(American Physical Society, 2001)
The dynamical behavior of a kind of models with hierarchically constrained dynamics is investigated. The models exhibit ... |
Article
Boundary conditions and normal state for a vibrated granular fluid
(American Physical Society, 2000)
The steady state of a fluidized granular system confined between a vibrating wall and a reflecting one is analyzed in ... |
Article
Hysteresis in vibrated granular media
(Elsevier, 2000)
Some general dynamical properties of models for compaction of granular media based on master equations are analyzed. In ... |
Article
Decay of metastable states: Mean relaxation time formulation
(AIP Publishing, 1999)
The mean relaxation time formalism introduced by Nadler and Schulten [J. Chem. Phys. 82, 151 (1985)] in their generalized ... |
Article
Origin of density clustering in a freely evolving granular gas
(American Physical Society, 1999)
The physical mechanisms leading to the development of density inhomogeneities in a freely evolving low density granular ... |
Article
Brownian motion in a granular gas
(American Physical Society, 1999)
The dynamics of a heavy particle in a gas of much lighter particles is studied via the Boltzmann-Lorentz equation with ... |
Article
Thermally driven escape over a barrier of arbitrary shape
(AIP Publishing, 1999)
The Kramers theory for the thermally activated rate of escape of a Brownian particle from a potential well is extended to ... |
Article
Simple model with facilitated dynamics for granular compaction
(American Physical Society, 1999)
A simple lattice model is used to study compaction in granular media. As in real experiments, we consider a series of taps ... |
Article
On the validity of linear hydrodynamics for low-density granular flows described by the Boltzmann equation
(European Physical Society, 1999)
The direct Monte Carlo simulation method is used to check the validity of the hydrodynamic description of a low-density ... |
Article
High energy tail in the velocity distribution of a granular gas
(American Physical Society, 1999)
The Enskog-Boltzmann equation for a homogeneous freely evolving system of smooth hard disks colliding inelastically is ... |
Article
Steady state of a fluidized granular medium between two walls at the same temperature
(American Physical Society, 1998)
The steady state of a low-density gas of inelastic hard spheres confined between two parallel walls at the same temperature ... |
Article
Kinetic model for the hard-sphere fluid and solid
(American Physical Society, 1998)
The revised Enskog kinetic theory (RET) for a system of hard spheres provides an exceptionally broad description of ... |
Article
Aging in the one-dimensional Ising model with Glauber dynamics
(IOP Publishing Ltd., 1997)
We study the zero-temperature limit of the one-dimensional Ising model with nearest-neighbor interactions and Glauber ... |
Article
Steady uniform shear flow in a low density granular gas
(American Physical Society, 1997)
The steady uniform shear flow of a low density granular sytem is studied by means of a kinetic model equation and also by ... |
PhD Thesis
Fenómenos dinámicos en modelos sencillos controlados por barreras entrópicas
(1997)
La organización de esta Memoria es la siguiente. En el Capítulo 2 presentamos una revisión somera de las principales ... |
Article
Glassy behavior in a simple model with entropy barriers
(American Physical Society, 1997)
We study the dynamical behavior of a system with a variable number of particles n. The empty state n=0 is the ground state, ... |
Article
Practical kinetic model for hard sphere dynamics
(American Physical Society, 1996)
The revised Enskog theory for a classical system of hard spheres provides a unified description of both fluid and crystal ... |
Article
Homogeneous cooling state of a low-density granular flow
(American Physical Society, 1996)
The homogeneous cooling state of a granular flow of smooth spherical particles described by the Boltzmann equation is ... |
Article
Low-temperature relaxation in the one-dimensional Ising model
(American Physical Society, 1996)
The decay of the spin-spin time correlation functions in a one-dimensional Ising model with Glauber dynamics is studied. ... |
Article
Model kinetic equation for low-density granular flow
(American Physical Society, 1996)
A model kinetic equation is proposed to describe the time evolution of a gas composed of particles which collide inelastically. ... |
PhD Thesis |
Article
On the Validity of a Variational Principle for Far-from-Equilibrium Steady States
(IOP Publishing Ltd., 1995)
It is shown that an exact solution of the non-linear Boltzmann equation does not verify the variational principle for ... |
Article
Resonant behavior of a Poisson process driven by a periodic signal
(American Physical Society, 1995)
The statistical properties of the residence times of a periodically modulated Poisson process (time-dependent shot noise) ... |
Article
Self-diffusion in freely evolving granular gases
(American Institute of Physics, 1994)
A self-diffusionequation for a freely evolving gas of inelastic hard disks or spheres is derived starting from the ... |
Article
Dynamical behavior of a one-dimensional Ising model submitted to continuous heating and cooling processes
(American Institute of Physics Publising LLC, 1994)
The evolution of a one-dimensional Ising model with Glauber dynamics and an extrinsic energy barrier, submitted to continuous ... |
Article
Resonant activation in a simple kinetic model
(American Physical Society, 1994)
We present a very simple Markovian kinetic model displaying a stochastic resonant behavior which is similar to the one ... |
PhD Thesis
Fenómenos dinámicos en modelos sencillos que muestran comportamiento vítreo
(1993)
La pregunta ¿qué es un vidrio? No tiene una respuesta sencilla. En los experimentos reales se observa que cuando se disminuye ... |
Article
Normal solutions for master-equations with time-dependent transition rates - application to heating processes
(American Physical Society, 1993)
The long-time limit of the solutions of a master equation with time-dependent transition rates is analyzed, and the existence ... |
Article
Analysis of the Evans and Baranyai variational principle in dilute gases
(American Physical Society, 1993)
A variational principle for thermostated nonequilibrium steady states recently proposed by Evans and Baranyai [Phys. Rev. ... |
Article
Nonequilibrium entropy of a gas
(American Physical Society, 1992)
The Boltzmann entropy of a dilute gas under uniform shear flow is analyzed. The entropy variation associated with viscous ... |
PhD Thesis |
Article
Glasslike relaxation in a one-dimensional bonded-fluid model
(American Institute of Physics Publising LLC, 1991)
A Monte Carlo investigation of the linear and nonlinear relaxation of a one-dimensional bonded fluid is presented. The ... |
Article
Residual properties of a two-level system
(American Institute of Physics Publising LLC, 1991)
The residual properties, after cooling from a high temperature to T=0 K, of a system of identical and independent two-level ... |
Article
Continuous cooling of a one-dimensional bonded fluid: A Monte Carlo simulation study
(American Institute of Physics Publising LLC, 1991)
A kinetic one-dimensional bonded fluid model is formulated by extending a model for water due to Bell. The behavior of the ... |
Article
Analysis of nonlinear transport in Couette flow
(American Physical Society, 1989)
The nonlinear Bhatnagar, Gross, and Krook [Phys. Rev. 94, 511 (1954)] kinetic equation is solved for boundary conditions ... |
PhD Thesis |
PhD Thesis |
PhD Thesis |
Article
On the critical behavior of the Percus-Yevick equation for nontruncated potentials
(AIP Publishing, 1984)
We present a qualitative analysis on the influence of truncating a long‐ranged potential on the critical behavior of a ... |
Article
About the numerical solution of the Percus–Yevick equation in the critical region for nontruncated potentials
(AIP Publishing, 1983)
Some problems related to the numerical solution of the Percus–Yevick equation in the critical region for a nontruncated ... |
PhD Thesis |
PhD Thesis
Efecto de las fluctuaciones sobre las ecuaciones de transporte en sistemas no lineales
(1982)
Se ha realizado un estudio crítico de las principales teorías estocásticas para el estudio de fenómenos de transporte en ... |
PhD Thesis |
PhD Thesis |
PhD Thesis |