Critical exponents in metastable decay via quantum activation

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dc.creatorDykman, M. I.
dc.date2006-06-07
dc.date.accessioned2026-07-07T07:38:08Z
dc.date.available2026-07-07T07:38:08Z
dc.descriptionWe consider decay of metastable states of forced vibrations of a quantum oscillator close to bifurcation points, where dissipation becomes effectively strong. We show that decay occurs via quantum activation over an effective barrier. The decay probability $W$ scales with the distance $η$ to the bifurcation point as $|\ln W|\propto η^ξ$. The exponent $ξ$ is found for a resonantly driven oscillator and an oscillator modulated at nearly twice its eigenfrequency.
dc.identifierhttps://arxiv.org/abs/cond-mat/0606198
dc.identifierhttp://arxiv.org/abs/cond-mat/0606198
dc.identifierPhys. Rev. E 75, 011101 (2007)
dc.identifierdoi:10.1103/PhysRevE.75.011101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/121012
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.subjectQuantum Physics
dc.titleCritical exponents in metastable decay via quantum activation
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