Universality in escape from a modulated potential well
Dykman, M. I. · Golding, B. · Kruse, J. R. · McCann, L. I. · Ryvkine, D.
Original · EN
We show that the rate of activated escape W from a periodically modulated potential displays scaling behavior versus modulation amplitude A. For adiabatic modulation of an optically trapped Brownian particle, measurements yield W∝ (A c - A)μ with μ= 1.5. The theory gives μ=3/2 in the adiabatic limit and predicts a crossover to μ=2 scaling as A approaches the bifurcation point where the metastable state disappears.
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