Data

NameSánchez-Rey, Bernardo
DepartmentFísica Aplicada I
Knowledge areaFísica Aplicada
Professional categoryProfesor Titular de Universidad
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  Statistics

  • Items

    31

  • Visits

    3988

  • Downloads

    5762

  Publications

 

Article
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Linear response in the uniformly heated granular gas

Sánchez-Rey, Bernardo; Prados Montaño, Antonio (American Physical Society, 2021-08-01)
We analyze the linear response properties of the uniformly heated granular gas. The intensity of the stochastic driving ...
Article
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Parametrically driven nonlinear Dirac equation with arbitrary nonlinearity

Cooper, Fred; Khare, Avinash; Quintero, Niurka R.; Sánchez-Rey, Bernardo; Mertens, Franz G.; Saxena, Avadh (IOP Publishing, 2020-01-01)
The damped and parametrically driven nonlinear Dirac equation with arbitrary nonlinearity parameter κ is analyzed, when ...
Article
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Exact stationary solutions of the parametrically driven and damped nonlinear Dirac equation

Quintero, Niurka R.; Sánchez-Rey, Bernardo (AIP Publishing, 2019-01-01)
Two exact stationary soliton solutions are found in the parametrically driven and damped nonlinear Dirac equation. The ...
Article
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Soliton ratchet induced by random transitions among symmetric sine-Gordon potentials

Casado Pascual, Jesús; Sánchez-Rey, Bernardo; Quintero, Niurka R. (AIP Publishing, 2019-01-01)
The generation of net solitonmotion induced by randomtransitions among N symmetric phase-shifted sine-Gordon potentials ...
Book
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Book of abstracts: NoLineal 2016, International Conference on Nonlinear Mathematics and Physics

Palmero Acebedo, Faustino; Carmona Centeno, Victoriano; Casado Pascual, Jesús; Cuevas-Maraver, Jesús; Fernández Sánchez, Fernando; García Medina, Elisabeth; Lemos, M. Carmen; Quintero, Niurka R.; Sánchez-Rey, Bernardo; Archilla, Juan F. R. (NoLineal 2016Juan F.R. Archilla, 2016-06-07)
Article
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Kink ratchet induced by a time-dependent symmetric field potential

Sánchez-Rey, Bernardo; Casado Pascual, Jesús; Quintero, Niurka R. (American Physical Society, 2016-01-01)
The ratchet effect of a sine-Gordon kink is investigated in the absence of any external force while the symmetry of the ...
Article
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Collective coordinates theory for discrete soliton ratchets in the sine-Gordon model

Sánchez-Rey, Bernardo; Quintero, Niurka R.; Cuevas-Maraver, Jesús; Alejo, Miguel A. (American Physical Society, 2014-01-01)
A collective coordinate theory is developed for soliton ratchets in the damped discrete sine-Gordon model driven by a ...
Article
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Thermal equilibrium in Einstein’s elevator

Sánchez-Rey, Bernardo; Chacón-Acosta, Guillermo; Dagdug, Leonardo; Cubero Gómez, David (American Physical Society, 2013-01-01)
We report fully relativistic molecular-dynamics simulations that verify the appearance of thermal equilibrium of a classical ...
Article
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Escape dynamics in the discrete repulsive φ4 model

Achilleos, V. A.; Álvarez Chillida, María Azucena; Cuevas-Maraver, Jesús; Frantzeskakis, Dimitri J.; Karachalios, Nikolaos I.; Kevrekidis, Panayotis G.; Sánchez-Rey, Bernardo (2013-01-01)
We study deterministic escape dynamics of the discrete Klein-Gordon model with a repulsive quartic on-site potential. Using ...
Article
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Breathers for the discrete nonlinear Schrödinger equation with nonlinear hopping

Karachalios, Nikolaos I.; Sánchez-Rey, Bernardo; Kevrekidis, Panayotis G.; Cuevas-Maraver, Jesús (2013-01-01)
We discuss the existence of breathers and lower bounds on their power, in nonlinear Schrödinger lattices with nonlinear ...
Article
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Interaction of moving discrete breathers with interstitial defects

Cuevas-Maraver, Jesús; Sánchez-Rey, Bernardo; Eilbeck, J. Chris; Russell, F. Michael (American Institute of Mathematical Sciences, 2011-01-01)
In this paper, interstitial migration generated by scattering with a mobile breather is investigated numerically in a ...
Article
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Regular and chaotic transport of discrete solitons in asymmetric potentials

Cuevas-Maraver, Jesús; Sánchez-Rey, Bernardo; Salerno, Mario (2010-01-01)
Ratchet dynamics of topological solitons of the forced and damped discrete double sine-Gordon system are studied. Directed ...
Article
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Breathers in inhomogeneous nonlinear lattices : an analysis via centre manifold reduction

James, Guillaume; Sánchez-Rey, Bernardo; Cuevas-Maraver, Jesús (2009-01-01)
We consider an infinite chain of particles linearly coupled to their nearest neighbors and subject to an anharmonic local ...
Article
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Approximation of solitons in the discrete NLS equation

Cuevas-Maraver, Jesús; James, Guillaume; Kevrekidis, Panayotis G.; Malomed, Boris A.; Sánchez-Rey, Bernardo (World Scientific, 2008-01-01)
We study four diferent approximations for finding the profile of discrete solitons in the one-dimensional Discrete Nonlinear ...
Presentation
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Ratchet effect in solids: Defect transport driven by biharmonic forces

Cuevas-Maraver, Jesús; Sánchez-Rey, Bernardo (2007-01-01)
Interstitials and vacancies, in one-dimensional lattices, are point defects that can be modelled by means of kinks or ...
Article
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Interaction of moving discrete breathers with vacancies

Cuevas-Maraver, Jesús; Archilla, Juan F. R.; Sánchez-Rey, Bernardo; Romero Romero, Francisco (2006-01-01)
In this paper a Frenkel–Kontorova model with a nonlinear int eraction potential is used to describe a vacancy defect in a ...
Article
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Exact numerical solutions for dark waves on the discrete nonlinear Schrödinger equation

Sánchez-Rey, Bernardo; Johansson, Magnus (American Physical Society, 2005-01-01)
In this paper we study numerically existence and stability of exact dark waves on the (nonintegrable) discrete nonlinear ...
Article
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Analytical approach to soliton ratchets in asymmetric potentials

Quintero, Niurka R.; Sánchez-Rey, Bernardo; Salerno, Mario (2005-01-01)
We use soliton perturbation theory and collective coordinate ansatz to investigate the mechanism of soliton ratchets in a ...
Chapter of Book
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Classical and quantum nonlinear localized excitations in discrete systems

Romero Romero, Francisco; Archilla, Juan F. R.; Palmero Acebedo, Faustino; Sánchez-Rey, Bernardo; Álvarez Chillida, María Azucena; Cuevas-Maraver, Jesús; Romero Romero, José María (Transworld Research Network, 2005-01-01)
Discrete breathers, or intrinsic localized modes, are spatially localized, time–periodic, nonlinear excitations that can ...
Article
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Comment on “Soliton ratchets induced by excitation of internal modes”

Quintero, Niurka R.; Sánchez-Rey, Bernardo; Casado Pascual, Jesús (2005-01-01)
Very recently Willis et al. [Phys. Rev. E 69, 056612 (2004)] have used a collective variable theory to explain the appearance ...
Article
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Bright and dark breathers in Fermi-Pasta-Ulam lattices

Sánchez-Rey, Bernardo; James, Guillaume; Cuevas-Maraver, Jesús; Archilla, Juan F. R. (2004-01-01)
In this paper we study the existence and linear stability of bright and dark breathers in one-dimensional FPU lattices. ...
Article
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Demonstration of the stability or instability of multibreathers at low coupling

Archilla, Juan F. R.; Cuevas-Maraver, Jesús; Sánchez-Rey, Bernardo; Romero Romero, Francisco (2003-01-01)
Whereas there exists a mathematical proof for one-site breathers stability, and an unpublished one for two-site breathers, ...
Presentation
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Breathers in FPU systems, near and far from the phonon band

Sánchez-Rey, Bernardo; Archilla, Juan F. R.; James, Guillaume; Cuevas-Maraver, Jesús (World Scientific, 2003-01-01)
Article
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Breathers in a system with helicity and dipole interaction

Sánchez-Rey, Bernardo; Archilla, Juan F. R.; Palmero Acebedo, Faustino; Romero Romero, Francisco (American Physical Society, 2002-01-01)
Recent papers that have studied variants of the Peyrard-Bishop model for DNA, have taken into account the long range ...
Presentation
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Static and moving breathers in a DNA model with competing short–range and long–range dispersive interactions

Cuevas-Maraver, Jesús; Palmero Acebedo, Faustino; Sánchez-Rey, Bernardo; Archilla, Juan F. R. (2001-01-01)
So far, all the studies on breathers on DNA have considered models with either short–range or long-range interaction. ...
Article
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Hysteresis in vibrated granular media

Prados Montaño, Antonio; Brey Abalo, José Javier; Sánchez-Rey, Bernardo (Elsevier, 2000-01-01)
Some general dynamical properties of models for compaction of granular media based on master equations are analyzed. In ...
Article
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Simple model with facilitated dynamics for granular compaction

Brey Abalo, José Javier; Prados Montaño, Antonio; Sánchez-Rey, Bernardo (American Physical Society, 1999-01-01)
A simple lattice model is used to study compaction in granular media. As in real experiments, we consider a series of taps ...
Article
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Aging in the one-dimensional Ising model with Glauber dynamics

Prados Montaño, Antonio; Brey Abalo, José Javier; Sánchez-Rey, Bernardo (IOP Publishing Ltd., 1997-10-01)
We study the zero-temperature limit of the one-dimensional Ising model with nearest-neighbor interactions and Glauber ...
PhD Thesis
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Fenómenos dinámicos en modelos sencillos controlados por barreras entrópicas

Brey Abalo, José Javier; Prados Montaño, Antonio; Sánchez-Rey, Bernardo (1997-01-01)
La organización de esta Memoria es la siguiente. En el Capítulo 2 presentamos una revisión somera de las principales ...
Article
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Glassy behavior in a simple model with entropy barriers

Prados Montaño, Antonio; Brey Abalo, José Javier; Sánchez-Rey, Bernardo (American Physical Society, 1997-01-01)
We study the dynamical behavior of a system with a variable number of particles n. The empty state n=0 is the ground state, ...
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Resonant behavior of a Poisson process driven by a periodic signal

Brey Abalo, José Javier; Casado Pascual, Jesús; Sánchez-Rey, Bernardo (American Physical Society, 1995-01-01)
The statistical properties of the residence times of a periodically modulated Poisson process (time-dependent shot noise) ...