Stochastic resonance in bistable confining potentials. On the role of confinement

Details Stochastic resonance in bistable confining potentials. On the role of confinement Stochastic resonance in bistable confining potentials. On the role of confinement

2009-01-16

arxiv.org/abs/0901.2523v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 figures

Scientific paper

We study the effects of the confining conditions on the occurrence of stochastic resonance (SR) in continuous bistable systems. We model such systems by means of double-well potentials that diverge like the q-th power of |x| when |x| goes to infinite. For super-harmonic (hard) potentials with q > 2 the SR peak sharpens with increasing q, whereas for sub-harmonic (soft) potentials, q < 2, it gets suppressed.

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