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Decay of unstable states in the presence of colored noise and random initial conditions. II. : analog experiments and digital simulations.

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<mark>Journal publication date</mark>11/1989
<mark>Journal</mark>Physical review a
Issue number10
Volume40
Number of pages7
Pages (from-to)5915-5921
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The decay of an unstable state under the influence of external colored noise has been studied by means of analog experiments and digital simulations. For both fixed and random initial conditions, the time evolution of the second moment [x^2(t] of the system variable was determined and then used to evaluate the nonlinear relaxation time. The results obtained are found to be in excellent agreement with the theoretical predictions of the immediately preceding paper [Casademunt, Jimenez-Aquino, and Sancho, Phys. Rev. A 40,5905(989)].