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Noise-Activated Escape from a Sloshing Potential Well | | Robert S. Maier
; D. L. Stein
; | | Date: |
8 Jun 2000 | | Journal: | Phys. Rev. Lett. 86 (2001) 3942 DOI: 10.1103/PhysRevLett.86.3942 | | Subject: | Statistical Mechanics | cond-mat.stat-mech | | Affiliation: | University of Arizona | | Abstract: | We treat the noise-activated escape from a one-dimensional potential well of an overdamped particle, to which a periodic force of fixed frequency is applied. We determine the boundary layer behavior, and the physically relevant length scales, near the oscillating well top. We show how stochastic behavior near the well top generalizes the behavior first determined by Kramers, in the case without forcing. Both the case when the forcing dies away in the weak noise limit, and the case when it does not, are examined. We also discuss the relevance of various scaling regimes to recent optical trap experiments. | | Source: | arXiv, cond-mat/0006120 | | Other source: | [GID 8899] pmid11328066 | | Services: | Forum | Review | PDF | Favorites | |
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