Resonant activation in the presence of non-equilibrated baths

Details Resonant activation in the presence of non-equilibrated baths Resonant activation in the presence of non-equilibrated baths

2003-07-19

arxiv.org/abs/cond-mat/0307484v1

Phys. Rev. E 69, 016105 (2004)

Physics

Condensed Matter

Statistical Mechanics

8 pages, 2 figures, RevTex4. Submitted for printing

Scientific paper

10.1103/PhysRevE.69.016105

We study the generic problem of the escape of a classical particle over a fluctuating barrier under the influence of non-Gaussian noise mimicking the effects of not-fully equilibrated bath. Our attention focuses on the effect of the stable noises on the mean escape time and on the phenomenon of resonant activation (RA). Possible physical interpretation of the occurrence of L\'evy noises in the system of interest is discussed and the connection between the Tsallis statistics and the Fractional Fokker Planck Equation is addressed.

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