Simultaneous Onset of Condensation of Molecules and Atoms in an Attractive Fermi Gas of Atoms

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dc.creatorHan, Fuxiang
dc.creatorLei, Minghao
dc.creatorWu, E
dc.date2005-10-11
dc.date.accessioned2026-07-07T06:44:18Z
dc.date.available2026-07-07T06:44:18Z
dc.descriptionThe self-consistent equations for the order parameters of Bose-Einstein condensation (BEC) of molecules and Bardeen-Cooper-Schrieffer (BCS) condensation of atoms in a Fermi gas of atoms with an attractive two-body interaction between atoms have been derived within the Hartree-Fock-Bogoliubov approximation from the path integral representation of the grand partition function. We have found that the order parameters for BEC and BCS are proportional to each other, which implies that BEC and BCS onsets simultaneously. We have also found that the common critical temperature of BEC and BCS increases as the average number of molecules increases and that the atom-molecule coupling enhances the common critical temperature.
dc.description4 pages, 2 figures. Submitted to Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0510298
dc.identifierhttp://arxiv.org/abs/cond-mat/0510298
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102735
dc.subjectOther Condensed Matter
dc.subjectStatistical Mechanics
dc.titleSimultaneous Onset of Condensation of Molecules and Atoms in an Attractive Fermi Gas of Atoms
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