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The relaxation dynamics of glass-forming systems shows a multitude of features that are absent in normal liquids, such as non-exponential relaxation and a strong temperature-dependence of the relaxation time. Connecting these dynamic…

无序系统与神经网络 · 物理学 2019-04-03 Zhen Wei Wu , Walter Kob , Wei-Hua Wang , Limei Xu

The hyperspherical adiabatic expansion method is used to describe correlations in a symmetric boson system rigorously confined to two spatial dimensions. The hyperangular eigenvalue equation turns out to be almost independent of the…

软凝聚态物质 · 物理学 2009-11-10 Han Guangze , O. Sørensen , A. S. Jensen , D. V. Fedorov

The partially dissipative systems that characterize many physical phenomena were first pointed out by Godunov (1961), then investigated by Friedrichs-Lax (1971) who introduced the convex entropy, and later by Shizuta-Kawashima (1984,1985)…

偏微分方程分析 · 数学 2026-03-03 Ling-Yun Shou , Jiang Xu , Ping Zhang

An autonomous system of ordinary differential equations describing nonlinear oscillations on the plane is considered. The influence of time-dependent perturbations decaying at infinity in time is investigated. It is assumed that the…

动力系统 · 数学 2023-05-29 Oskar A. Sultanov

We study a class of elastic systems described by a (hyperbolic) partial differential equation. Our working example is the equation of a vibrating string subject to linear disturbance. The main goal is to establish conditions for…

偏微分方程分析 · 数学 2007-05-23 M. I. Caiado , A. V. Sarychev

This work is devoted to investigate the stability properties of time-delay reset systems. We present a Lyapunov-Krasovskii proposition, which generalizes the available results in the literature, providing results for verifying the stability…

系统与控制 · 计算机科学 2016-07-11 Alfonso Baños , Miguel A. Davó

We consider the asymmetric simple exclusion process with Langmuir kinetics on a periodic lattice. We analytically obtain the exact time evolution of correlation functions with arbitrary length starting from the initial state with no…

统计力学 · 物理学 2016-04-20 Jun Sato , Katsuhiro Nishinari

In this paper, we consider numerical approximations for the viscous Cahn-Hilliard equation with hyperbolic relaxation. This type of equations processes energy-dissipative structure. The main challenge in solving such a diffusive system…

数值分析 · 数学 2017-12-18 Xiaofeng Yang , Jia Zhao

We present a new methodology for studying non-Hamiltonian nonlinear systems based on an information theoretic extension of a renormalization group technique using a modified maximum entropy principle. We obtain a rigorous dimensionally…

计算物理 · 物理学 2013-06-28 M. Schmuck , M. Pradas , S. Kalliadasis , G. A. Pavliotis

In this paper we focus on the Cahn-Hilliard equation with dynamic boundary conditions, by adding two hyperbolic relaxation terms to the system. We verify that the energy of the total system is decreasing with time. By adding two…

数值分析 · 数学 2025-04-03 Minghui Yu , Rui Chen

An equilibrium of a delay differential equation (DDE) is absolutely stable, if it is locally asymptotically stable for all delays. We present criteria for absolute stability of DDEs with discrete time-delays. In the case of a single delay,…

动力系统 · 数学 2021-03-23 Serhiy Yanchuk , Matthias Wolfrum , Tiago Pereira , Dmitry Turaev

The paper concerns about the uniform decaying property (abbreviated by UDP) of solutions for an anisotropic viscoelastic system in the form of integrodifferential system (abbreviated by VID system) with mixed type boundary condition. The…

偏微分方程分析 · 数学 2025-02-24 Maarten V. de Hoop , Ching-Lung Lin , Gen Nakamura

A microscopic theory for equilibrium and non equilibrium relaxations in structural glasses is formulated. For all temperatures below the glass transition the dynamics can be asymptotically separated in a $\beta $ - relaxation regime, which…

无序系统与神经网络 · 物理学 2007-05-23 A. Latz

Through experiments, we studied defect turbulence, a type of spatiotemporal chaos in planar systems of nematic liquid crystals, to clarify the chaotic advection of weak turbulence. In planar systems of large aspect ratio, structural…

软凝聚态物质 · 物理学 2016-10-12 Takayuki Narumi , Yosuke Mikami , Tomoyuki Nagaya , Hirotaka Okabe , Kazuhiro Hara , Yoshiki Hidaka

We study the diffusive relaxation limit of the Jin-Xin system toward viscous conservation laws in the multi-dimensional setting. For initial data being small perturbations of a constant state in suitable homogeneous Besov norms, we prove…

偏微分方程分析 · 数学 2022-11-22 Timothée Crin-Barat , Ling-Yun Shou

An Euler-type hyperbolic-parabolic system of chemotactic aggregation describing the vascular network formation is investigated in the critical regularity setting. For small initial data around a constant equilibrium state, the…

偏微分方程分析 · 数学 2023-03-17 Timothée Crin-Barat , Qingyou He , Ling-Yun Shou

In this paper we study the stabilization problem of a general class of slow-fast systems with one fast and arbitrarily many slow states. Moreover, the class of systems under study is slowly actuated, meaning that only the slow states are…

动力系统 · 数学 2017-10-05 Hildeberto Jardón-Kojakhmetov , Jacquelien M. A. Scherpen

In this paper we show how almost cosymplectic structures are a natural framework to study thermodynamical systems. Indeed, we are able to obtain the same evolution equations obtained previously by Gay-Balmaz and Yoshimura (see Entropy,…

数学物理 · 物理学 2024-12-25 Manuel de León , Jaime Bajo

With perfectly balanced gain and loss, dynamical systems with indefinite damping can obey the exact PT-symmetry being marginally stable with a pure imaginary spectrum. At an exceptional point where the symmetry is spontaneously broken, the…

数学物理 · 物理学 2012-03-09 Oleg N. Kirillov

While the recently realized dissipative time crystal in a laser-pumped atom-cavity system in the experiment of Ke{\ss}ler et al. [Phys. Rev. Lett. 127, 043602 (2021)] is qualitatively consistent with a theoretical description in an…

量子物理 · 物理学 2022-04-19 Richelle Jade L. Tuquero , Jim Skulte , Ludwig Mathey , Jayson G. Cosme