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We describe several experimental methods to quantify dynamics in electron glasses and illustrate their use in the glassy phase of crystalline indium-oxide films. These methods are applied to study the dependence of dynamics on temperature…

无序系统与神经网络 · 物理学 2009-11-11 Z. Ovadyahu

Water famously expands upon freezing, foreshadowed by a negative coefficient of expansion of the liquid at temperatures close to its freezing temperature. These behaviors, and many others, reflect the energetic preference for local…

统计力学 · 物理学 2017-02-08 David T. Limmer , David Chandler

We analyze numerically the out-of-equilibrium relaxation dynamics of a long-range Hamiltonian system of $N$ fully coupled rotators. For a particular family of initial conditions, this system is known to enter a particular regime in which…

统计力学 · 物理学 2009-11-07 Marcelo A. Montemurro , Francisco A. Tamarit , Celia Anteneodo

We present a high statistic systematic study of the overlap correlation function well below the critical temperature in the three dimensional Gaussian spin glass. The off-equilibrium correlation function has been studied confirming the…

无序系统与神经网络 · 物理学 2009-10-31 E. Marinari , G. Parisi , F. Ricci-Tersenghi , J. J. Ruiz-Lorenzo

The description of activated relaxation of glassy systems in the multidimensional configurational space is a long-standing open problem. We develop a phenomenological description of the out-of-equilibrium dynamics of a model with a rough…

无序系统与神经网络 · 物理学 2014-10-09 Chiara Cammarota , Enzo Marinari

We reassess the modeling of amorphous silica bilayers as a two-dimensional classical system whose particles interact with an effective pairwise potential. We show that it is possible to reparameterize the potential developed by Roy, Heyde,…

统计力学 · 物理学 2025-01-22 Marco Dirindin , Daniele Coslovich

We construct the equations for the growth kinetics of an aging structural glass within mode-coupling theory through a non-stationary variant of the 3-density correlator defined in Phys. Rev. Lett. {\bf 97}, 195701 (2006). We solve a…

软凝聚态物质 · 物理学 2021-08-24 Saroj Kumar Nandi , Sriram Ramaswamy

The slow non-equilibrium dynamics of the Edwards-Anderson spin glass model on a hierarchical lattice is studied by means of a coarse-grained description based on renormalization concepts. We evaluate the isothermal aging properties and show…

无序系统与神经网络 · 物理学 2009-11-10 Falk Scheffler , Hajime Yoshino , Philipp Maass

We study the out-of-equilibrium dynamics following a temperature-jump in a model for a strong liquid, BKS-silica, and compare it with the well known case of fragile liquids. We calculate the fluctuation-dissipation relation, from which it…

软凝聚态物质 · 物理学 2009-11-10 Antonio Scala , Chantal Valeriani , Francesco Sciortino , Piero Tartaglia

Aspects of the dynamical glass transition are considered within a mean field spin glass model. At the dynamical transition the the system condenses in a state of lower entropy. The difference, the information entropy or complexity, is…

凝聚态物理 · 物理学 2007-05-23 Th. M. Nieuwenhuizen

The spherical p-spin model is not only a fundamental model in statistical mechanics of disordered system, but has recently gained popularity since many hard problems in machine learning can be mapped on it. Thus the study of the out of…

无序系统与神经网络 · 物理学 2020-09-02 Giampaolo Folena , Silvio Franz , Federico Ricci-Tersenghi

Quantum thermodynamics with open systems is often based on the quantum optical weak-coupling master equation or on operational repeated interaction models, whereas early works on thermalisation and on decoherence theory were mostly…

量子物理 · 物理学 2025-06-27 Michael Gaida , Giulio Gasbarri , Stefan Nimmrichter

We study the out of equilibrium dynamics of the infinite range quantum Heisenberg spin glass model coupled to a thermal relaxation bath. The SU(2) spin algebra is generalized to SU(N) and we analyse the large-N limit. The model displays a…

强关联电子 · 物理学 2009-11-07 G. Biroli , O. Parcollet

We derive an effective equation to describe the non-equilibrium dynamics of the pair field of color superconductivity near the critical temperature. We also discuss how critical dynamics affects the specific heat and density of state above…

高能物理 - 唯象学 · 物理学 2009-11-10 Masakiyo Kitazawa , Tomoi Koide , Teiji Kunihiro , Yukio Nemoto

We report the observation of the homogenous nucleation of crystals in a dense layer of steel spheres confined between two horizontal plates vibrated vertically. Above a critical vibration amplitude, two-layer crystals with square symmetry…

软凝聚态物质 · 物理学 2009-11-10 Alexis Prevost , Paul Melby , David A. Egolf , Jeffrey S. Urbach

Nonequilibrium dynamics of the $\pm J$ Ising, the {\it XY}, and the Heisenberg spin-glass models are investigated in three dimensions. A nonequilibrium dynamic exponent is calculated from the dynamic correlation length. The spin-glass…

无序系统与神经网络 · 物理学 2007-05-23 Tota Nakamura

We study the relaxation dynamics of a binary Lennard-Jones liquid in the presence of an amorphous wall generated from equilibrium particle configurations. In qualitative agreement with the results presented in Nature Phys. {\bf 8}, 164…

统计力学 · 物理学 2014-06-16 Glen M Hocky , Ludovic Berthier , Walter Kob , David R. Reichman

A framework for the non-equilibrium thermodynamics of glasses is discussed. It also explains the non-equilibrium thermodynamics of a black hole isolated from matter. The first and second laws of black dynamics and black hole thermodynamics…

统计力学 · 物理学 2017-08-23 Th. M. Nieuwenhuizen

The relaxations of conductivity after a temporary change of carrier density n_s during the waiting time t_w have been studied in a strongly disordered two-dimensional electron system in Si. At low enough n_s < n_g (n_g - the glass…

强关联电子 · 物理学 2015-05-14 J. Jaroszynski , Dragana Popovic

Our theoretical understanding of glassy dynamics is notoriously incomplete, and it is even more so when the glassy systems are driven out of equilibrium. An extreme way to drive a system out of equilibrium is to introduce nonequilibrium…

软凝聚态物质 · 物理学 2023-08-30 Chiu Fan Lee