Influence of the Barrier Shape on Resonant Activation

Details Influence of the Barrier Shape on Resonant Activation Influence of the Barrier Shape on Resonant Activation

2002-01-07

arxiv.org/abs/cond-mat/0201068v2

Phys. Rev. E 66, 026123 (2002).

Physics

Condensed Matter

Statistical Mechanics

7 pages, 8 figures, RevTex4. Manuscript has been revised and enhanced. Pictures have been made more clear and some of them hav

Scientific paper

10.1103/PhysRevE.66.026123

The escape of a Brownian particle over a dichotomously fluctuating barrier is investigated for various shapes of the barrier. The problem of resonant activation is revisited with the attention on the effect of the barrier shape on optimal value of the mean escape time in the system. The characteristic features of resonant behavior are analyzed for barriers switching either between different heights, or "on" and "off" positions. PACS number(s): 05.10-a, 02.50.-r, 82.20.-wj.

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