Nonlinear vibrational resonance

被引：45

作者：

Ghosh, Shyamolina ^{[1
]}

Ray, Deb Shankar ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Kolkata 700032, India

来源：

PHYSICAL REVIEW E | 2013年 / 88卷 / 04期

关键词：

STOCHASTIC RESONANCE; COHERENCE RESONANCE; NOISE; ACTIVATION; TRANSITION; SIGNAL;

D O I：

10.1103/PhysRevE.88.042904

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We examine the nonlinear response of a bistable system driven by a high-frequency force to a low-frequency weak field. It is shown that the rapidly varying temporal oscillation breaks the spatial symmetry of the centrosymmetric potential. This gives rise to a finite nonzero response at the second harmonic of the low-frequency field, which can be optimized by an appropriate choice of vibrational amplitude of the high-frequency field close to that for the linear response. The potential implications of the nonlinear vibrational resonance are analyzed.

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