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Using the asymptotic Bethe Ansatz, we study the stabilization problem of the one-dimensional spin-polarized Fermi gas confined in a hard-wall potential with tunable p-wave scattering length and finite effective range. We find that the…

量子气体 · 物理学 2018-08-08 Lei Pan , Shu Chen , Xiaoling Cui

We study a gas of $N$ hard disks in a box with semi-periodic boundary conditions. The unperturbed gas is hyperbolic and ergodic (these facts are proved for N=2 and expected to be true for all $N\geq 2$). We study various perturbations by…

动力系统 · 数学 2015-06-03 Nikolai Chernov , Alexey Korepanov , Nandor Simanyi

The purpose of this article is to provide a simple proof of the hydrodynamic and hydrostatic behavior of the SSEP in contact with reservoirs which inject and remove particles in a finite size windows at the extremities of the bulk. More…

概率论 · 数学 2020-10-23 Clément Erignoux , Patricia Gonçalves , Gabriel Nahum

It is shown that the potential perturbation that shifts a chosen standing wave in space is a block of potential barrier and well for every wave bump between neighbouring knots. The algorithms shifting the range of the primary localization…

量子物理 · 物理学 2015-06-26 V. M. Chabanov , B. N. Zakhariev

We present an analytical calculation of the hydrodynamic interaction between two spherical particles near an elastic interface such as a cell membrane. The theory predicts the frequency dependent self- and pair-mobilities accounting for the…

流体动力学 · 物理学 2016-08-03 Abdallah Daddi-Moussa-Ider , Stephan Gekle

Polymer systems in slab geometries are studied on the basis of the recently presented Gaussian Ellipsoid Model [J. Chem. Phys. 114, 7655 (2001)].The potential of the confining walls has an exponential shape. For homogeneous systems in…

软凝聚态物质 · 物理学 2009-11-07 F. Eurich , P. Maass , J. Baschnagel

We analyze the linear stability of monoclinal traveling waves on a constant incline, which connect uniform flowing regions of differing depths. The classical shallow-water equations are employed, subject to a general resistive drag term.…

流体动力学 · 物理学 2022-05-18 Jake Langham , Andrew J. Hogg

We define the topological entropy per unit volume in parabolic PDE's such as the complex Ginzburg-Landau equation, and show that it exists, and is bounded by the upper Hausdorff dimension times the maximal expansion rate. We then give a…

数学物理 · 物理学 2009-10-31 P. Collet , J. -P. Eckmann

We analyze intermittence and roughening of an elastic interface or domain wall pinned in a periodic potential, in the presence of random-bond disorder in (1+1) and (2+1) dimensions. Though the ensemble average behavior is smooth, the…

统计力学 · 物理学 2009-10-31 E. T. Seppälä , M. J. Alava , P. M. Duxbury

We prove existence of equilibrium states with special properties for a class of distance expanding local homeomorphisms on compact metric spaces and continuous potentials. Moreover, we formulate a C$^1$ generalization of Pesin's Entropy…

动力系统 · 数学 2019-04-09 Vitor Araujo , Felipe Santos

We analyze, in both (1+1)- and (2+1)- dimensions, a periodic elastic medium in which the periodicity is such that at long distances the behavior is always in the random-substrate universality class. This contrasts with the models with an…

无序系统与神经网络 · 物理学 2009-10-31 E. T. Seppala , M. J. Alava , P. M. Duxbury

In this paper we study the motion of an internal water wave and an internal wave in a porous medium. For these problems we establish that, if the free boundary and, in the case of the Euler equations, also the tangential velocity at the…

偏微分方程分析 · 数学 2022-05-10 Zhiyuan Geng , Rafael Granero-Belinchón

We present an energy/entropy stable and high order accurate finite difference (FD) method for solving the nonlinear (rotating) shallow water equations (SWEs) in vector invariant form using the newly developed dual-pairing and…

The presence or absence of topologically-produced edge states of a crystal are robust to disorder; their stability in the presence of decay is less clear. For topologically nontrivial bosonic systems with finite particle lifetimes, such as…

介观与纳米尺度物理 · 物理学 2024-12-05 Kwangyul Hu , Denis R. Candido , Michael E. Flatté

An indispensable ingredient for pair density wave (PDW) superconductivity is the presence of an attractive pairing interaction at finite momentum. Here, we show how this condition can be met with straightforward electron-density…

超导电性 · 物理学 2024-10-16 Nicole Sabina Ticea , Srinivas Raghu , Yi-Ming Wu

We consider a continuous system of classical particles confined in a finite region $\Lambda$ of $\mathbb{R}^d$ interacting through a superstable and tempered pair potential in presence of non free boundary conditions. We prove that the…

数学物理 · 物理学 2020-09-18 Aldo Procacci , Sergio A. Yuhjtman

This paper is devoted to studying the stability of p-Laplacian wave equations with strong damping in non-cylindrical domains. The method of proof based on some estimates for time-varying coefficients rising from moving boundary and a…

偏微分方程分析 · 数学 2021-10-25 Lingyang Liu , Hang Gao

We investigate the spectral properties of a class of hard-wall bounded systems, described by potentials exhibiting domain-wise different local symmetries. Tuning the distance of the domains with locally symmetric potential from the hard…

其他凝聚态物理 · 物理学 2019-01-23 I. Kiorpelidis , F. K. Diakonos , G. Theocharis , V. Pagneux , O. Richoux , P. Schmelcher , P. A. Kalozoumis

We prove that, for every invertible horizontal-like map (i.e., H{\'e}non-like map) in any dimension, the sequence of the dynamical degrees is increasing until that of maximal value, which is the main dynamical degree, and decreasing after…

复变函数 · 数学 2023-07-21 Fabrizio Bianchi , Tien-Cuong Dinh , Karim Rakhimov

We investigate a class of gravitational pp-waves which represent the exterior vacuum field of spinning particles moving with the speed of light. Such exact spacetimes are described by the original Brinkmann form of the pp-wave metric…

广义相对论与量子宇宙学 · 物理学 2014-08-27 Jiri Podolsky , Roland Steinbauer , Robert Svarc