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artículo con referato
"Poincaré-Birkhoff theorem in quantum mechanics"
D.A. Wisniacki, M. Saraceno, F.J. Arranz, R.M. Benito and F. Borondo
Phys. Rev. E 84(2) (2011) 026206/1-4
Quantum manifestations of the dynamics around resonant tori in perturbed Hamiltonian systems, dictated by the Poincaré-Birkhoff theorem, are shown to exist. They are embedded in the interactions involving states which differ in a number of quanta equal to the order of the classical resonance. Moreover, the associated classical phase space structures are mimicked in the quasiprobability density functions and their zeros.
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