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Quantum and classical fidelity for singular perturbations of the inverted and harmonic oscillator |
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| Authors: | Monique Combescure Alain Combescure |
| Institution: | a IPNL, Bâtiment Paul Dirac, 4 rue Enrico Fermi, UMR-CNRS 5822, F-69622 Villeurbanne Cedex, France b LaMCoS, INSA-LYON, Btiment Jean d'Alembert, 18-20 rue des Sciences, F-69621 Villeurbanne Cedex, France |
| Abstract: | Let us consider the quantum/versus classical dynamics for Hamiltonians of the form (0.1) |
| Keywords: | Quantum fidelity Loschmidt Echo Classical fidelity Stability of wavepackets under perturbations |
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