Sensitivity of Quantum Motion for Classically Chaotic Systems

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dc.creatorBenenti, Giuliano
dc.creatorCasati, Giulio
dc.date2001-12-10
dc.date.accessioned2026-07-07T06:03:20Z
dc.date.available2026-07-07T06:03:20Z
dc.descriptionWe discuss the behavior of fidelity for a classically chaotic quantum system in the metallic regime. We show the existence of a critical value of the perturbation below which the exponential decay of fidelity is determined by the width of the Breit-Wigner distribution and above which the quantum decay follows the classical one which is ruled by the Lyapunov exponent. The independence of the decay {\it rate} from the perturbation strength derives from the similarity of the quantum and classical relaxation process inside the Heisenberg time scale.
dc.descriptionrevtex, 5 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0112060
dc.identifierhttp://arxiv.org/abs/quant-ph/0112060
dc.identifierPhys. Rev. E 65, 066205 (2002)
dc.identifierdoi:10.1103/PhysRevE.65.066205
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/89901
dc.subjectQuantum Physics
dc.subjectCondensed Matter
dc.subjectChaotic Dynamics
dc.titleSensitivity of Quantum Motion for Classically Chaotic Systems
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