Quantum decay rates for driven barrier potentials in the strong friction limit
arXiv:cond-mat/0110169 · doi:10.1103/PhysRevE.64.060102
Abstract
Quantum decay rates for barrier potentials driven by external stochastic and periodic forces in the strong damping regime are studied. Based on the recently derived quantum Smoluchowski equation [Phys. Rev. Lett. {\bf 87}, 086802 (2001)] explicit analytical and numerical results are presented for the case of the resonant activation phenomenon in a bistable potential and the escape from a metastablwell with oscillating barrier, respectively. The significant impact of quantum fluctuations is revealed.
Rapid Communication, Phys. Rev. E, in press
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