Resonant crossing processes controlled by colored noise

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Abstract
The crossing processes in an overdamped double-well potential driven by an external colored noise and a weak sinusoidal time-dependent modulation are investigated by means of analog simulation. A new resonance is revealed (besides the so-called stochastic resonance) for frequencies close to the inverse time constant of the colored intrawell dynamics (resonant crossing). A quantitative analysis of the results obtained is also proposed.