Noise influence on dissipative solitons in a chain of active particles

被引：2
|
作者：
Chetverikov, A. P. [1 ]
Sergeev, K. S. [1 ]
del Rio, Ezequiel [2 ]
机构：
[1] Saratov Natl Res State Univ, Astrakhanskaya Str 83, Saratov 410012, Russia
[2] Univ Politecn Madrid, Dept Fis Aplicada, ETSI Aeronaut & Espacio, Plaza Cardenal Cisneros 3, E-28040 Madrid, Spain
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2019年 / 513卷
基金：
俄罗斯科学基金会;
关键词：
Nonlinear dynamics; Dissipative solitons; Active particles; Noise; Chain; BROWNIAN PARTICLES; STATISTICAL PHYSICS; TRANSPORT; DYNAMICS; COLLOIDS; MOTION; MODEL;
D O I：
10.1016/j.physa.2018.08.163
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The dynamics of a chain of interacting active particles of Rayleigh-type is studied in presence of noise. Particles are interconnected via Morse potential forces. In the noiseless scenario, the steady-state modes (attractors) of the chain with periodic boundary conditions look like cnoidal waves with uniform distribution of the particles density maxima along the chain. The distribution of modes probabilities shifts from one with prevailing cnoidal waves to one with prevailing optical mode under noise influence. We propose an analytical approach modelling the noise effect in good agreement with the numerical simulation. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：147 / 155
页数：9
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