Fidelity Decay for Phase Space Displacements

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In this letter we analyse the behavior of fidelity decay under a very specific kind of perturbation: phase space displacements. Under these perturbations, systems will decay following the Lyapunov regime only. Others universal regimes discussed in the literature are not presented in this case; instead, for small values of the perturbation we observe quantum freeze of the fidelity. We also show that it is possible to connect this result with the incoherent neutron scattering problem
4 pages, 2 figures

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Chaotic Dynamics, Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/80821

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0409007
 http://arxiv.org/abs/nlin/0409007

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arXiv