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Quantifying stochastic resonance: theory versus experiment
Mykhaylo Evstigneev1, Peter Reimann, Carmen Schmitt
1Theoretische Physik, Universität Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany.
Abstract:
We discuss different quantifiers of stochastic resonance (SR) and how far they are mathematically related with each other. Specifically, we address bona fide SR in terms of the areas of the hysteresis loops and of the first peaks in the residence time distributions. We demonstrate a surprisingly good agreement of these two SR quantifiers experimentally for colloidal particles in periodically modulated laser traps. A simple theoretical model is established, which reproduces the experimental observations very well.
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