Escape from a metastable well under a time-ramped force
arXiv:cond-mat/9802182 · doi:10.1103/PhysRevE.57.7301
Abstract
Thermally activated escape of an over-damped particle from a metastable well under the action of a time-ramped force is studied. We express the mean first passage time (MFPT) as the solution to a partial differential equation, which we solve numerically for a model case. We discuss two approximations of the MFPT, one of which works remarkably well over a wide range of loading rates, while the second is easy to calculate and can provide a valuable first estimate.
9 pages, including 2 figures
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