We analyze the dynamical evolution of a fluid with nonlinear drag, for which binary collisions are elastic, described at ...

We analyze the linear response properties of the uniformly heated granular gas. The intensity of the stochastic driving ...

El rozamiento es un fenómeno que si bien en la vida diaria pasa desapercibido, en la ingeniería es crucial. Desde elevar ...

The damped and parametrically driven nonlinear Dirac equation with arbitrary nonlinearity parameter κ is analyzed, when ...

Two exact stationary soliton solutions are found in the parametrically driven and damped nonlinear Dirac equation. The ...

The generation of net solitonmotion induced by randomtransitions among N symmetric phase-shifted sine-Gordon potentials ...

The ratchet effect of a sine-Gordon kink is investigated in the absence of any external force while the symmetry of the ...

A collective coordinate theory is developed for soliton ratchets in the damped discrete sine-Gordon model driven by a ...

We report fully relativistic molecular-dynamics simulations that verify the appearance of thermal equilibrium of a classical ...

We study deterministic escape dynamics of the discrete Klein-Gordon model with a repulsive quartic on-site potential. Using ...

We discuss the existence of breathers and lower bounds on their power, in nonlinear Schrödinger lattices with nonlinear ...

In this paper, interstitial migration generated by scattering with a mobile breather is investigated numerically in a ...

Ratchet dynamics of topological solitons of the forced and damped discrete double sine-Gordon system are studied. Directed ...

We consider an infinite chain of particles linearly coupled to their nearest neighbors and subject to an anharmonic local ...

We study four diferent approximations for finding the profile of discrete solitons in the one-dimensional Discrete Nonlinear ...

Interstitials and vacancies, in one-dimensional lattices, are point defects that can be modelled by means of kinks or ...

In this paper a Frenkel–Kontorova model with a nonlinear int eraction potential is used to describe a vacancy defect in a ...

Discrete breathers, or intrinsic localized modes, are spatially localized, time–periodic, nonlinear excitations that can ...

Very recently Willis et al. [Phys. Rev. E 69, 056612 (2004)] have used a collective variable theory to explain the appearance ...

In this paper we study numerically existence and stability of exact dark waves on the (nonintegrable) discrete nonlinear ...

We use soliton perturbation theory and collective coordinate ansatz to investigate the mechanism of soliton ratchets in a ...

In this paper we study the existence and linear stability of bright and dark breathers in one-dimensional FPU lattices. ...

Whereas there exists a mathematical proof for one-site breathers stability, and an unpublished one for two-site breathers, ...

Recent papers that have studied variants of the Peyrard-Bishop model for DNA, have taken into account the long range ...

So far, all the studies on breathers on DNA have considered models with either short–range or long-range interaction. ...

Some general dynamical properties of models for compaction of granular media based on master equations are analyzed. In ...

A simple lattice model is used to study compaction in granular media. As in real experiments, we consider a series of taps ...

We study the zero-temperature limit of the one-dimensional Ising model with nearest-neighbor interactions and Glauber ...

La organización de esta Memoria es la siguiente. En el Capítulo 2 presentamos una revisión somera de las principales ...

We study the dynamical behavior of a system with a variable number of particles n. The empty state n=0 is the ground state, ...

The statistical properties of the residence times of a periodically modulated Poisson process (time-dependent shot noise) ...