A Quantum Many-Body Instability in the Thermodynamic Limit

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dc.creatorFrasca, Marco
dc.date2004-03-15
dc.date2005-10-12
dc.date.accessioned2026-07-07T06:36:56Z
dc.date.available2026-07-07T06:36:56Z
dc.descriptionIntrinsic decoherence in the thermodynamic limit is shown for a large class of many-body quantum systems in the unitary evolution in NMR and cavity QED. The effect largely depends on the inability of the system to recover the phases. Gaussian decaying in time of the fidelity is proved for spin systems and radiation-matter interaction.
dc.description11 pages, 1 figure. Final version accepted for publication in Modern Physics Letters B
dc.identifierhttps://arxiv.org/abs/quant-ph/0403111
dc.identifierhttp://arxiv.org/abs/quant-ph/0403111
dc.identifierMod.Phys.Lett. B20 (2006) 1059-1066
dc.identifierdoi:10.1142/S0217984906011578
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100253
dc.subjectQuantum Physics
dc.subjectOther Condensed Matter
dc.subjectHigh Energy Physics - Theory
dc.titleA Quantum Many-Body Instability in the Thermodynamic Limit
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