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Stochastic phase portraits of a damped bistable oscillator driven by colored noise.

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<mark>Journal publication date</mark>06/1986
<mark>Journal</mark>Physical Review A
Issue number6
Volume33
Number of pages3
Pages (from-to)4459-4461
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

We present measurements of the stationary, joint statistical densities of velocity and displacement in a three-dimensional system: the damped oscillator with a bistable potential driven by additive, colored noise. Approximate Fokker-Planck theories of such "higher-dimensional" systems are assessed and compared to the measurements. Because of limitations inherent in all present theories and generally available numerical techniques, analog simulators appear to offer the only effective, high-resolution means for obtaining the joint probability densities of d = 3 systems.