Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevE.77.036206
DC FieldValue
dc.titleSensitivity of quantum motion to perturbation in a triangle map
dc.contributor.authorWang, W.-G.
dc.date.accessioned2014-10-16T09:40:44Z
dc.date.available2014-10-16T09:40:44Z
dc.date.issued2008-03-13
dc.identifier.citationWang, W.-G. (2008-03-13). Sensitivity of quantum motion to perturbation in a triangle map. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 77 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.77.036206
dc.identifier.issn15393755
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/97906
dc.description.abstractWe study quantum Loschmidt echo, or fidelity, in the triangle map whose classical counterpart has linear instability and weak chaos. Numerically, three regimes of fidelity decay have been found with respect to the perturbation strength. In the regime of weak perturbation, the fidelity decays as exp (-c 2 tγ) with γ 1.7. In the regime of strong perturbation, the fidelity is approximately a function of t2.5, which is predicted for the classical fidelity, and decays slower than power-law decay for long times. In an intermediate regime, the fidelity has approximately an exponential decay exp (- c′). © 2008 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevE.77.036206
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevE.77.036206
dc.description.sourcetitlePhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
dc.description.volume77
dc.description.issue3
dc.description.page-
dc.description.codenPLEEE
dc.identifier.isiut000254539900038
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