Decreasing critical temperature of gas BEC in spatially periodic potential and relevance to experiments treated by Mott-Hubbard model

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dc.creatorMuradyan, A. Zh.
dc.creatorMuradyan, G. A.
dc.date2003-02-05
dc.date.accessioned2026-07-07T02:49:34Z
dc.date.available2026-07-07T02:49:34Z
dc.descriptionIt is shown that the critical temperature of gas Bose-Einstein condensation decreases in deepening periodic potential, in contrast to common regularity in a separate potential well. The physical explanation of this phenomenon is given. Characteristic scale of potential energies decaying the critical temperature is the quantum recoil energy of periodic potential. The theory represents an alternative and direct approach to the experimental results (C.Orzel et al Science 291, 2386 (2001); M.Greiner et al, Nature 415, 39 (2002)) obtained with BEC in optical lattices and treated as the phase squeezing or Mott transition processes.
dc.description9 pages, 10 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0302108
dc.identifierhttp://arxiv.org/abs/cond-mat/0302108
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20843
dc.subjectSoft Condensed Matter
dc.subjectStatistical Mechanics
dc.titleDecreasing critical temperature of gas BEC in spatially periodic potential and relevance to experiments treated by Mott-Hubbard model
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