Giant nonlinearity in the low-frequency response of a fluctuating bistable system.

Dykman, Mark and Mannella, R. and McClintock, Peter V. E. and Stein, N. D. and Stocks, N. G. (1993) Giant nonlinearity in the low-frequency response of a fluctuating bistable system. Physical Review E, 47 (3). pp. 1629-1632. ISSN 1539-3755

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Abstract

The response of a bistable system to a low-frequency driving force is demonstrated to display a giant nonlinearity: a sinusoidal force can induce a nearly rectangular signal in the system even when its amplitude is small. The nonlinearity comes about through the force modulating the effective activation energies of fluctuational transitions between the stable states, which in turn can give rise to strong modulation of the transition probabilities and the populations of the states for low noise intensities. Theoretical results are shown to be in good agreement with the results of analog and digital simulations.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review E
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3109
Subjects:
?? statistical and nonlinear physicsstatistics and probabilitycondensed matter physicsqc physics ??
ID Code:
32176
Deposited On:
16 Mar 2010 13:13
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 10:49