Ultrasharp Crossover from Quantum to Classical Decay in a Quantum Dot Flanked by a Double-Barrier Tunneling Structure

Simple item page
dc.creatorGorokhov, Denis A.
dc.creatorda Silveira, Rava A.
dc.date2003-08-01
dc.date.accessioned2026-07-07T02:52:44Z
dc.date.available2026-07-07T02:52:44Z
dc.descriptionThe decay of metastable states is dominated by quantum tunneling at low temperatures and by thermal activation at high temperatures. The escape rate of a particle out of a square well is calculated within a semi-classical approximation and exhibits an `ultrasharp' crossover: a kink in the decay rate separates a purely quantum regime at low temperatures from a purely thermal regime at high temperatures. An experimental system -- a quantum dot supplemented by a semiconductor heterostructure -- that may be used to check the prediction, along with necessary experimental conditions, are described.
dc.descriptionRevTeX, 4 pages, 3 eps figures inserted
dc.identifierhttps://arxiv.org/abs/cond-mat/0308023
dc.identifierhttp://arxiv.org/abs/cond-mat/0308023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21948
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStatistical Mechanics
dc.titleUltrasharp Crossover from Quantum to Classical Decay in a Quantum Dot Flanked by a Double-Barrier Tunneling Structure
dc.typetext

Files

Collections

arXiv