Reentrant Phenomenon in Quantum Phase Diagram of Optical Boson Lattice

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dc.creatorKleinert, H.
dc.creatorSchmidt, S.
dc.creatorPelster, A.
dc.date2003-07-17
dc.date2004-10-22
dc.date.accessioned2026-07-07T02:52:24Z
dc.date.available2026-07-07T02:52:24Z
dc.descriptionWe calculate the location of the quantum phase transitions of a bose gas trapped in an optical lattice as a function of effective scattering length $a_{\eff}$ and temperature $T$. Knowledge of recent high-loop results on the shift of the critical temperature at weak couplings is used to locate a {\em nose} in the phase diagram above the free Bose-Einstein critical temperature $T_c^{(0)}$, thus predicting the existence of a reentrant transition {\em above} $T_c^{(0)}$, where a condensate should form when {\em increasing} $a_{\eff}$. At zero temperature, the transition to the normal phase produces the experimentally observed Mott insulator.
dc.descriptionAuthor Information under http://www.physik.fu-berlin.de/~kleinert/institution.html
dc.identifierhttps://arxiv.org/abs/cond-mat/0307412
dc.identifierhttp://arxiv.org/abs/cond-mat/0307412
dc.identifierPhys. Rev. Lett. 93, 160402 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.160402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21827
dc.subjectStatistical Mechanics
dc.subjectMesoscale and Nanoscale Physics
dc.titleReentrant Phenomenon in Quantum Phase Diagram of Optical Boson Lattice
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