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This study investigates the atomistic spin system in $\rm CrCl_{3}$, which exhibits topologically nontrivial meron structures within its layered hexagonal lattice framework. We analyze the complete model of discrete spin dynamics on a…

数学物理 · 物理学 2024-07-19 Mengjia Bai , Jingrun Chen , Zhiwei Sun , Yun Wang

We consider a family of stochastic models of evolving two-dimensional Young diagrams, given in terms of certain energies, with Gibbs invariant measures. `Static' scaling limits of the shape functions, under these Gibbs measures, have been…

数学物理 · 物理学 2018-09-12 Ibrahim Fatkullin , Sunder Sethuraman , Jianfei Xue

We consider a recent plate model obtained as a scaled limit of the three dimensional Biot system of poro-elasticity. The result is a "2.5" dimensional linear system that couples traditional Euler-Bernoulli plate dynamics to a pressure…

偏微分方程分析 · 数学 2021-05-27 Elena Gurvich , Justin T. Webster

A weak formulation for a class of parabolic free boundary problems (FBP) is proposed that does not involve the notion of a free boundary but reduces to a FBP when classical solutions exist. It is aimed at hydrodynamic limits (HDL) of…

概率论 · 数学 2024-11-18 Rami Atar

The basic model of the non-equilibrium low dimensional physics the so-called totally asymmetric exclusion process is related to the 'crystalline limit' ($q\to\infty$) of the $SU_q(2)$ quantum algebra. Using the quantum inverse scattering…

数学物理 · 物理学 2009-04-24 Nikolay M. Bogoliubov

A number of important results of studying large deformations of hyper-elastic shells are obtained using discrete methods of mathematical physics. In the present paper, using the variational method for solving nonlinear boundary problems of…

偏微分方程分析 · 数学 2015-06-26 V. A. Trotsenko

We study a system describing the compressible barotropic fluids interacting with (visco) elastic solid shell/plate. In particular, the elastic structure is part of the moving boundary of the fluid, and the Navier-slip type boundary…

偏微分方程分析 · 数学 2026-05-20 Yadong Liu , Sourav Mitra , Šárka Nečasová

Using duality techniques, we derive the hydrodynamic limit for one-dimensional, boundary-driven, symmetric exclusion processes with different types of non-reversible dynamics at the boundary, for which the classical entropy method fails.

数学物理 · 物理学 2020-10-23 Clément Erignoux

We formulate a theory of dissipative hydrodynamics with spontaneously broken translations, describing charge density waves in a clean isotropic electronic crystal. We identify a novel linear transport coefficient, lattice pressure,…

高能物理 - 理论 · 物理学 2020-07-01 Jay Armas , Akash Jain

For the non-gradient exclusion process, we prove the quantitative homogenization of the diffusion matrix and the conductivity by local functions. The proof relies on the renormalization approach developed by Armstrong, Kuusi, Mourrat, and…

概率论 · 数学 2026-01-15 Tadahisa Funaki , Chenlin Gu , Han Wang

We consider here an elliptic coupled system describing the dynamics of liquid crystals flows. This system is posed on the whole n-dimensional space. We introduce first the notion of very weak solutions for this system. Then, within the…

偏微分方程分析 · 数学 2023-04-28 Oscar Jarrin

A quasi-static filtration system, comprising a poroelastic solid coupled to an incompressible free-flow, is considered in 3D. Across a flat 2D interface, the Beavers-Joseph-Saffman coupling conditions are taken. The system constitutes a…

偏微分方程分析 · 数学 2026-05-15 Peter Lavagnino , Arum Lee , Justin T. Webster

The hydrodynamic limit of a kinetic Cucker-Smale model is investigated. In addition to the free-transport of individuals and the Cucker-Smale alignment operator, the model under consideration includes a strong local alignment term. This…

偏微分方程分析 · 数学 2012-06-01 Trygve Karper , Antoine Mellet , Konstantina Trivisa

In this paper we study global existence of weak solutions for the Quantum Hydrodynamics System in 2-D in the space of energy. We do not require any additional regularity and/or smallness assumptions on the initial data. Our approach…

偏微分方程分析 · 数学 2015-05-20 Paolo Antonelli , Pierangelo Marcati

We investigate the asymptotic in $N$ of the mixing times of a Markov dynamics on $N-1$ ordered particles in an interval. This dynamics consists in resampling at independent Poisson times each particle according to a probability measure on…

概率论 · 数学 2022-03-09 Cyril Labbé , Enguérand Petit

We prove discrete-to-continuum convergence of interaction energies defined on lattices in the Euclidean space (with interactions beyond nearest neighbours) to a crystalline perimeter, and we discuss the possible Wulff shapes obtainable in…

度量几何 · 数学 2021-07-20 Giacomo Del Nin , Mircea Petrache

The collective non-equilibrium dynamics of multi-component mixtures of interacting active (self-propelled) and passive (diffusive) particles have garnered great interest in the physics community. However, the mathematical understanding of…

概率论 · 数学 2025-01-28 Deyue Li

Weak-strong uniqueness property in the class of finite energy weak solutions is established for two different compressible liquid crystal systems by the method of relative entropy. To overcome the difficulties caused by the molecular…

偏微分方程分析 · 数学 2012-05-08 Yong-Fu Yang , Changsheng Dou , Qiangchang Ju

In these notes, we describe the strategy for the derivation of the hydrodynamic limit for a family of long range interacting particle systems of exclusion type with symmetric rates. For $m \in \mathbb{N}:=\{1, 2, \ldots\}$ fixed, the…

概率论 · 数学 2024-07-03 Pedro Cardoso , Patrícia Gonçalves

In this paper we consider the global existence of weak solutions to a class of Quantum Hydrodynamics (QHD) systems with initial data, arbitrarily large in the energy norm. These type of models, initially proposed by Madelung, have been…

偏微分方程分析 · 数学 2009-11-13 Paolo Antonelli , Pierangelo Marcati