中文
相关论文

相关论文: The buffered chemostat with non-monotonic response…

200 篇论文

We consider the classical chemostat model with an additional compartment connected by pure diffusion, and analyze its asymptotic properties. We investigate conditions under which this spatial structure is beneficial for species survival and…

经典分析与常微分方程 · 数学 2017-11-28 María Crespo , Alain Rapaport

The linear hydrodynamic stability of a model for confined quasi-two-dimensional granular gases is analyzed. The system exhibits homogeneous hydrodynamics, i.e. there are macroscopic evolution equations for homogeneous states. The stability…

统计力学 · 物理学 2016-10-12 J. Javier Brey , V. Buzón , M. I. García de Soria , P. Maynar

The work analyzes the stability of the quantum eigenstates when they are submitted to fluctuations by using the stochastic generalization of the Madelung quantum hydrodynamic approach. In the limit of sufficiently slow kinetics, the quantum…

量子物理 · 物理学 2020-12-01 Simone Chiarelli , Piero Chiarelli

By analytically solving some simple models of phase-ordering kinetics, we suggest a mechanism for the onset of non-equilibrium behaviour in colloid-polymer mixtures. These mixtures can function as models of atomic systems; their physics…

软凝聚态物质 · 物理学 2016-08-31 R. M. L. Evans , W. C. K. Poon

Stochastic thermodynamics provides a useful set of tools to analyze and constrain the behavior of far from equilibrium systems. In this paper, we report an application of ideas from stochastic thermodynamics to the problem of membrane…

软凝聚态物质 · 物理学 2019-10-25 Michael Nguyen , Suriyanarayanan Vaikuntanathan

Number-non-conserving terms in quadratic bosonic Hamiltonians can induce unwanted dynamical instabilities. By exploiting the pseudo-Hermitian structure built in to these Hamiltonians, we show that as long as dynamical stability holds, one…

量子物理 · 物理学 2020-09-09 Vincent P. Flynn , Emilio Cobanera , Lorenza Viola

Some quantities in the reaction-diffusion models from cellular biology or ecology depend on the spatial average of density functions instead of local density functions. We show that such nonlocal spatial average can induce instability of…

偏微分方程分析 · 数学 2020-02-03 Qingyan Shi , Junping Shi , Yongli Song

This paper is devoted to studying non-commensurate fractional order planar systems. Our contributions are to derive sufficient conditions for the global attractivity of non-trivial solutions to fractional-order inhomogeneous linear planar…

经典分析与常微分方程 · 数学 2023-01-30 Kai Diethelm , Ha Duc Thai , Hoang The Tuan

Few equilibrium --even less so nonequilibrium-- statistical-mechanical models with continuous degrees of freedom can be solved exactly. Classical hard-spheres in infinitely many space dimensions are a notable exception. We show that even…

统计力学 · 物理学 2020-01-01 Thibaut Arnoulx de Pirey , Gustavo S. Lozano , Frédéric van Wijland

We find a rich variety of counterintuitive features in the steady states of a qubit array coupled to a dissipative source and sink at two arbitrary sites, using a master equation approach. We show there are setups where increasing the pump…

量子气体 · 物理学 2022-02-02 Shovan Dutta , Nigel R. Cooper

One of the basic properties of a queueing network is stability. Roughly speaking, it is the property that the total number of jobs in the network remains bounded as a function of time. One of the key questions related to the stability issue…

概率论 · 数学 2009-11-19 David Gamarnik , Dmitriy Katz

Vegetation patterns are a ubiquitous feature of water-deprived ecosystems. Despite the competition for the same limiting resource, coexistence of several plant species is commonly observed. We propose a two-species reaction-diffusion model…

种群与进化 · 定量生物学 2019-11-26 Lukas Eigentler , Jonathan A. Sherratt

We address ourselves to a class of systems composed of two coupled subsystems without any intra-subsystem interaction: itinerant Fermions and localized Bosons on a lattice. Switching on an interaction between the two subsystems leads to…

超导电性 · 物理学 2009-10-31 T. Domanski , J. Ranninger

We consider a mass-conserving bistable equation with a saturating flux on an interval. This is the quasilinear analogue of the Rubinstein-Steinberg equation, suitable for description of order parameter conserving solid-solid phase…

动力系统 · 数学 2011-10-12 Martin Burns , Michael Grinfeld

The current paper is concerned with pointwise persistence in full chemotaxis models with local as well as nonlocal time and space dependent logistic source in bounded domains. We first prove the global existence and boundedness of…

偏微分方程分析 · 数学 2020-04-07 Tahir Bachar Issa , Wenxian Shen

We investigate (in)stabilities of periodic patterns under stochastic forcing in reaction-diffusion equations exhibiting a so-called Busse balloon. Specifically, we used a one-dimensional Klausmeier model for dryland vegetation patterns.…

偏微分方程分析 · 数学 2024-12-23 Christian Hamster , Peter van Heijster , Eric Siero

We formulate general plant-herbivore interaction models with monotone plant growth functions (rates). We study the impact of monotone plant growth functions in general plant-herbivore models on their dynamics. Our study shows that all…

动力系统 · 数学 2011-02-14 Yun Kang , Dieter Armbruster

The variance and uncertainty product of the position and momentum many-particle operators of structureless bosons interacting by a long-range inter-particle interaction and trapped in a single-well potential are investigated. In the first…

量子气体 · 物理学 2017-04-25 Shachar Klaiman , Alexej I. Streltsov , Ofir E. Alon

The dynamical evolution of a Bose-Einstein condensate trapped in a one-dimensional lattice potential is investigated theoretically in the framework of the Bose-Hubbard model. The emphasis is set on the far-from-equilibrium evolution in a…

其他凝聚态物理 · 物理学 2008-09-08 Kristan Temme , Thomas Gasenzer

We study spontaneous quantum coherence in an out of equilibrium system, coupled to multiple baths describing pumping and decay. For a range of parameters describing coupling to, and occupation of the baths, a stable steady-state condensed…

超导电性 · 物理学 2007-05-23 M. H. Szymanska , J. Keeling , P. B. Littlewood