基于非局部耦合的相干共振控制。

IF 3.2 2区数学 Q1 MATHEMATICS, APPLIED

Chaos Pub Date : 2025-09-01 DOI:10.1063/5.0288025

Aleksey Ryabov, Elena Rybalova, Andrei Bukh, Tatiana E Vadivasova, Vladimir V Semenov

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引用次数: 0

摘要

我们证明了非局部耦合可以控制相干共振状态下的集体随机动力学。通过对耦合FitzHugh-Nagumo振子的数值仿真，提出了基于非局部相互作用特性的控制方案。特别是，增大耦合半径可以增强或抑制相干共振效应，这体现在相干时间和尖峰间隔偏差对噪声强度的依赖关系的演变上。非局部耦合被认为是局部和全局耦合拓扑之间的一种中间选择，并在相干共振控制的背景下进行了讨论。

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Nonlocal-coupling-based control of coherence resonance.

We demonstrate that nonlocal coupling enables control of the collective stochastic dynamics in the regime of coherence resonance. The control scheme based on the nonlocal interaction properties is presented by means of numerical simulation on an example of coupled FitzHugh-Nagumo oscillators. In particular, increasing the coupling radius is shown to enhance or to suppress the effect of coherence resonance, which is reflected in the evolution of the dependence of the correlation time and the deviation of interspike intervals on the noise intensity. Nonlocal coupling is considered an intermediate option between local and global coupling topologies, which are also discussed in the context of the coherence resonance control.

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来源期刊

Chaos 物理-物理：数学物理

CiteScore

5.20

自引率

13.80%

发文量

448

审稿时长

2.3 months

期刊介绍： Chaos: An Interdisciplinary Journal of Nonlinear Science is a peer-reviewed journal devoted to increasing the understanding of nonlinear phenomena and describing the manifestations in a manner comprehensible to researchers from a broad spectrum of disciplines.