Structure factor of Bose-condensed systems

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dc.creatorYukalov, V. I.
dc.date2007-10-23
dc.date.accessioned2026-07-07T08:38:03Z
dc.date.available2026-07-07T08:38:03Z
dc.descriptionThe structure factor for a Bose system with Bose-Einstein condensate is considered in the frame of the self-consistent mean-field approximation. The accomplished analysis demonstrates the principal importance of the following three points: the necessity of preserving the approximation order, the necessity of taking into account anomalous averages, and the necessity of gauge symmetry breaking. If any one of these necessary conditions is not satisfied, calculations yield the appearance of unphysical divergences of the structure factor, which implies the occurrence of fictitious instability, which contradicts experiments.
dc.descriptionLatex file,16 pages
dc.identifierhttps://arxiv.org/abs/0710.4208
dc.identifierhttp://arxiv.org/abs/0710.4208
dc.identifierJ. Phys. Stud. 11 (2007) 55-62
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140589
dc.subjectStatistical Mechanics
dc.titleStructure factor of Bose-condensed systems
dc.typetext

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