On the 'Strong-Coupling' Generalization of the Bogoliubov Model

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dc.creatorCherny, A. Yu.
dc.creatorShanenko, A. A.
dc.date1998-11-29
dc.date1999-04-14
dc.date.accessioned2026-07-07T03:12:14Z
dc.date.available2026-07-07T03:12:14Z
dc.descriptionA generalized Bogoliubov model of the Bose gas in the ground state is proposed which properly takes into account both the long-range and short-range spatial boson correlations. It concerns equilibrium characteristics and operates with in-medium Schrodinger equations for the pair wave functions of bosons being the eigenfunctions of the second-order reduced density matrix. The approach developed provides reasonable results for a dilute Bose gas with arbitrary strong interaction between particles (the 'strong-coupling' case) and comes to the canonical Bogoliubov model in the weak-coupling regime.
dc.description6 pages, REVTEX, no figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9811405
dc.identifierhttp://arxiv.org/abs/cond-mat/9811405
dc.identifierPhys. Lett. A, vol. 250, No 1-3, pp. 170-176 (1998)
dc.identifierdoi:10.1016/S0375-9601(98)00835-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28827
dc.subjectStatistical Mechanics
dc.titleOn the 'Strong-Coupling' Generalization of the Bogoliubov Model
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