Quantum phase diffusion of a Bose system: beyond the Hartree-Fock-Bogoliubov approximation

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dc.creatorde Pasquale, Ferdinando
dc.creatorGiorgi, Gian Luca
dc.date2007-08-02
dc.date.accessioned2026-07-07T08:21:55Z
dc.date.available2026-07-07T08:21:55Z
dc.descriptionA diffusion process is usually assumed for the phase of the order parameter of a Bose system of finite size. The theoretical basis is limited to the so called Bogoliubov approximation. We show that a suitable generalization of the Hartree-Fock-Bogoliubov approach recovers phase diffusion.
dc.identifierhttps://arxiv.org/abs/0708.0356
dc.identifierhttp://arxiv.org/abs/0708.0356
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/135483
dc.subjectQuantum Physics
dc.titleQuantum phase diffusion of a Bose system: beyond the Hartree-Fock-Bogoliubov approximation
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