Scaling at the chaos threshold in an interacting quantum dot

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dc.creatorLeyronas, X.
dc.creatorSilvestrov, P. G.
dc.creatorBeenakker, C. W. J.
dc.date1999-11-29
dc.date.accessioned2026-07-07T03:15:20Z
dc.date.available2026-07-07T03:15:20Z
dc.descriptionThe chaotic mixing by random two-body interactions of many-electron Fock states in a confined geometry is investigated numerically and compared with analytical predictions. Two distinct regimes are found in the dependence of the inverse participation ratio in Fock space I on the dimensionless conductance of the quantum dot g and the excitation energy E. In both regimes I>>1, but only the small-g regime is described by the golden rule. The crossover region is characterized by a maximum in a scaling function that becomes more pronounced with increasing excitation energy. The scaling parameter that governs the transition is (E/g)ln g.
dc.description4 pages including 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9911459
dc.identifierhttp://arxiv.org/abs/cond-mat/9911459
dc.identifierPhys.Rev.Lett. 84, 3414 (2000)
dc.identifierdoi:10.1103/PhysRevLett.84.3414
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29991
dc.subjectMesoscale and Nanoscale Physics
dc.titleScaling at the chaos threshold in an interacting quantum dot
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