Gutiérrez, Martha and Waltner, Daniel and Kuipers, J and Richter, Klaus (2009) Semiclassical theory for decay and fragmentation processes in chaotic quantum systems. Physical Review E 79, 046212.
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We consider quantum decay and photofragmentation processes in open chaotic systems in the semiclassical limit. We devise a semiclassical approach which allows us to consistently calculate quantum corrections to the classical decay to high order in an expansion in the inverse Heisenberg time. We present results for systems with and without time reversal symmetry and also for the symplectic case, as well as extending recent results to non-localized initial states. We further analyze related photodissociation and photoionization phenomena and semiclassically compute cross-section correlations, including their Ehrenfest time dependence.
|Institutions:||Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter|
|Projects:||GRK 638 Nonlinearity and nonequilibrium in condensed matter, FOR 760: Scattering Systems with Complex Dynamics|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2009 13:19|
|Last Modified:||27 Aug 2012 13:17|