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相关论文: A Theory for Spin Glass Phenomena in Interacting N…

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We have carried out computer simulations of overcompressed suspensions of hard monodisperse ellipsoids and observed their crystallization dynamics. The system was compressed very rapidly in order to reach the regime of slow, glass-like…

软凝聚态物质 · 物理学 2013-10-01 Sven Dorosz , Tanja Schilling

Plasma physics give an example of physical system of particles with the long range interaction. At small velocity of particles we can consider the plasma approximately as a system of particles with the Coulomb interaction. The Coulomb…

等离子体物理 · 物理学 2015-04-10 P. A. Andreev

The effects of randomly pinning particles in a model glass-forming fluid are studied, with a focus on the dynamically heterogeneous relaxation in the presence of pinning. We show how four-point dynamical correlations can be analysed in real…

统计力学 · 物理学 2013-10-30 Robert L. Jack , Christopher J. Fullerton

The glass transition is considered within two toys models, a mean field spin glass and a directed polymer in a correlated random potential. In the spin glass model there occurs a dynamical transition, where the system condenses in a state…

无序系统与神经网络 · 物理学 2009-10-30 Th. M. Nieuwenhuizen

We analyze a simple dynamical model of glasses, based on the idea that each particle is trapped in a local potential well, which itself evolves due to hopping of neighbouring particles. The glass transition is signalled by the fact that the…

凝聚态物理 · 物理学 2009-10-28 Jean-Philippe Bouchaud , Alain Comtet , Cécile Monthus

The dynamics of many glassy systems are known to exhibit string-like hopping motions each consisting of a line of particles displacing one and other. By using molecular dynamics simulations of glassy polymers, we show that these motions…

统计力学 · 物理学 2021-06-29 Chi-Hang Lam

Spin glasses are a highly complex magnetic state of matter, intricately linked to spin frustration and structural disorder. They exhibit no long-range order and exude aging phenomena, distinguishing them from quantum spin liquids. We report…

A zero temperature dynamics of Ising spin glasses and ferromagnets on random graphs of finite connectivity is considered, like granular media these systems have an extensive entropy of metastable states. We consider the problem of what…

统计力学 · 物理学 2009-11-07 David S. Dean , Alexandre Lefèvre

We develop a theory for the quantum vortex glass, with both the coupling strengths and the site energies disordered. This model is closely related to XY spin glasses and bosons in random media. For properly chosen distributions of the site…

凝聚态物理 · 物理学 2016-08-31 Ferenc Pazmandi , Gergely T. Zimanyi , Richard T. Scalettar

We investigate the response of a system of hard spheres to two classes of perturbations over a range of densities spanning the fluid, crystalline, and glassy regimes within a molecular dynamics framework. Firstly, we consider the relaxation…

统计力学 · 物理学 2025-09-04 Matthew Kafker , Xerxes D. Arsiwalla

Dense assemblies of self-propelled particles undergo a nonequilibrium form of glassy dynamics. Physical intuition suggests that increasing departure from equilibrium due to active forces fluidifies a glassy system. We falsify this belief by…

软凝聚态物质 · 物理学 2017-12-08 Ludovic Berthier , Elijah Flenner , Grzegorz Szamel

The notion of complex energy landscape underpins the intriguing dynamical behaviors in many complex systems ranging from polymers, to brain activity, to social networks and glass transitions. The spin glass state found in dilute magnetic…

Within the mode-coupling theory for idealized glass transitions, we study the evolution of structural relaxation in binary mixtures of hard spheres with size ratios $\delta$ of the two components varying between 0.5 and 1.0. We find two…

软凝聚态物质 · 物理学 2009-11-07 W. Götze , Th. Voigtmann

We show that there are several striking parallels between the dynamics of gelatin gels and spin glasses. In general, glassy systems retain a memory of their past history. A key characteristic differentiating spin glasses from most other…

软凝聚态物质 · 物理学 2007-05-23 Alan Parker , Valery Normand

In the iron--chromium system, Fe$_{x}$Cr$_{1-x}$, a wide dome of spin-glass behavior emerges when the ferromagnetism of iron is suppressed and the antiferromagnetism of chromium emerges as a function of increasing iron content $x$. As both,…

The spin diffusion and damped oscillations are studied in the collision of two spin polarized clouds of cold atoms with resonant interactions. The strong density dependence of the diffusion coefficient leads to inhomogeneous spin diffusion…

量子气体 · 物理学 2015-06-03 H. Heiselberg

Colloid-polymer mixtures can undergo spinodal decomposition into colloid-rich and colloid-poor regions. Gelation results when interconnected colloid-rich regions solidify. We show that this occurs when these regions undergo a glass…

软凝聚态物质 · 物理学 2009-11-10 S. Manley , H. M. Wyss , K. Miyazaki , J. C. Conrad , V. Trappe , L. J. Kaufman , D. R. Reichman , D. A. Weitz

Long-ranged dipole-dipole interactions in magnetic glasses give rise to magnetic domains having labyrinthine patterns. Barkhausen Noise is then expected to result from the movement of domain boundaries which is supposed to be modeled by the…

Using an effective potential approach, we present a replica instanton theory for the dynamics of entropic droplets in glassy systems. Replica symmetry breaking in the droplet interface leads to a length scale dependent reduction of the…

无序系统与神经网络 · 物理学 2009-11-11 Maxim Dzero , Joerg Schmalian , Peter G. Wolynes

We prove a correlation type inequality for spin systems with quenched symmetric random interactions. This gives monotonicity of the pressure with respect to the strength of the interaction for a class of spin glass models. Consequences…

无序系统与神经网络 · 物理学 2009-11-11 Pierluigi Contucci , Joel Lebowitz