Las máquinas térmicas son dispositivos que convierten energía térmica en trabajo útil operando de manera cíclica. Durante ...

En gran variedad de sistemas físicos, como las biomoléculas o los sistemas de baja dimensionalidad como el grafeno, se ha ...

Scanning tunneling microscopy experiments have revealed a spontaneous rippled-to-buckled transition in heated graphene ...

In many physical situations, there appears the problem of reaching a single target that is spatially distributed. Here we ...

The overdamped Brownian dynamics of a harmonic oscillator is a paradigmatic system in non-equilibrium statistical mechanics, ...

Throughout history, time has marked a determining factor in multiple processes, from optimization of tasks in assembly ...

El movimiento browniano consiste en el movimiento estocástico de partículas suspendidas en un fluido debido a las colisiones ...

Loosely speaking, the Mpemba effect appears when hotter systems cool sooner or, in a more abstract way, when systems further ...

We present a detailed analytical investigation of the optimal control of uniformly heated granular gases in the linear ...

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 ...

We look into the minimization of the connection time between nonequilibrium steady states. As a prototypical example of ...

Using a reverse-engineering approach on the time-distorted solution in a reference potential, we work out the external ...

Obtaining adiabatic processes that connect equilibrium states in a given time represents a challenge for mesoscopic systems. ...

En este trabajo, vamos a analizar la teoría de Landau para transiciones de fase de primer y segundo orden, para posteriormente ...

Control of cooling and heating processes is essential in many industrial and biological processes. In fact, the time ...

We apply Pontryagin’s principle to drive rapidly a trapped overdamped Brownian particle in contact with a thermal bath ...

We consider the problem of building a continuous stochastic model, i.e., a Langevin or Fokker-Planck equation, through a ...

We report the emergence of a giant Mpemba effect in the uniformly heated gas of inelastic rough hard spheres: The initially ...

En este trabajo, estudiamos la integral de camino en el contexto de la mecánica cuántica no relativista y de la mecánica ...

This thesis is about the study of complex systems through simple models. Our work evidences the relevance of this kind of ...

En este trabajo estudiamos ciertos resultados básicos de la teoría cinética de los gases. En particular, deducimos la ...

A theoretical framework capable of predicting the first unit that unfolds in pulled modular proteins has been recently ...

We investigate a lattice model representing a granular gas in a thin channel. We deduce the hydrodynamic description for ...

We analyse the unfolding pathway of biomolecules comprising several independent modules in pulling experiments. In a ...

In kinetic theory, a system is usually described by its one-particle distribution function f (r,v,t), such that f (r,v,t)drdv ...

We analyze the emergence of Kovacs-like memory effects in athermal systems within the linear response regime. This is done ...

Under certain conditions, two samples of fluid at different initial temperatures present a counterintuitive behavior known ...

El movimiento browniano fue descubierto en 1827 por el botánico Robert Brown mientras realizaba el estudio de formas de ...

We analyze a one-dimensional spin-string model, in which string oscillators are linearly coupled to their two nearest ...

Understanding the physics of non-equilibrium systems remains one of the major open questions in statistical physics. This ...

We consider a simple spin-membrane model for rippling in graphene. The model exhibits transitions from a flat but rippled ...

We introduce a model described in terms of a scalar velocity field on a 1D lattice, evolving through collisions that ...

We study a model describing the force-extension curves of modular proteins, nucleic acids, and other biomolecules made out ...

Single-molecule atomic force spectroscopy probes elastic properties of titin, ubiquitin and other relevant proteins. We ...

While memory effects have been reported for dense enough disordered systems such as glasses, we show here by a combination ...

We evidence a Kovacs-like memory effect in a uniformly driven granular gas. A system of inelastic hard particles, in the ...

We analyze the so-called Kovacs effect in the one-dimensional Ising model with Glauber dynamics. We consider small enough ...

We consider fluctuations of the dissipated energy in nonlinear driven diffusive systems subject to bulk dissipation and ...

We analyze the force-extension curve for a general class of systems, which are described at the mesoscopic level by a free ...

We consider a general class of nonlinear diffusive models with bulk dissipation and boundary driving and derive its ...

A spin-oscillator system models unzipping of biomolecules (such as DNA, RNA, or proteins) subject to an external force. ...

Each oscillator in a linear chain (a string) interacts with a local Ising spin in contact with a thermal bath. These spins ...

We analyze the fluctuations of the dissipated energy in a simple and general model where dissipation, diffusion, and driving ...

The presence of the aging phenomenon in the homogeneous cooling state (HCS) of a granular fluid composed of inelastic hard ...

A model for the dynamical evolution of a granular binary mixture is analyzed. This system is submitted to a tapping ...

A one-dimensional Ising model with nearest neighbor interactions is applied to study compaction processes in granular ...

It is analytically shown that the one-dimensional Ising model with Glauber dynamics exhibits short-time memory effects ...

A one-dimensional lattice model is formulated to study tapping dynamics and the long time steady distribution in granular ...

A general kind of model with hierarchically constrained dynamics is shown to exhibit logarithmic anomalous relaxation ...

The short-term memory effects recently observed in vibration-induced compaction of granular materials are studied. It is ...

The dynamical behavior of a kind of models with hierarchically constrained dynamics is investigated. The models exhibit ...

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 decay of the spin-spin time correlation functions in a one-dimensional Ising model with Glauber dynamics is studied. ...

The evolution of a one-dimensional Ising model with Glauber dynamics and an extrinsic energy barrier, submitted to continuous ...

La pregunta ¿qué es un vidrio? No tiene una respuesta sencilla. En los experimentos reales se observa que cuando se disminuye ...

The long-time limit of the solutions of a master equation with time-dependent transition rates is analyzed, and the existence ...

The residual properties, after cooling from a high temperature to T=0 K, of a system of identical and independent two-level ...