Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/6368
Title: Thermally driven escape with fluctuating potentials: a new type of resonant activation
Authors: REIMANN, Peter
Issue Date: 1995
Source: Physical review letters, 74(23). p. 4576-4579
Abstract: The mean escape time T̅ for thermal diffusion in a fluctuating metastable potential is investigated. A new type of “resonant activation” (minimum of T̅ as a function of the correlation time τ of the potential fluctuations) is predicted analytically, explained in simple terms, and confirmed numerically. In its pure form it generically occurs for potentials without fluctuations near the barrier and the well. The effect is dominated by a minimum in the exponentially leading Arrhenius factor at a correlation time τ that stays finite for asymptotically small thermal and potential fluctuations.
Document URI: http://hdl.handle.net/1942/6368
DOI: 10.1103/PhysRevLett.74.4576
Type: Journal Contribution
Appears in Collections:Research publications

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