Unusual Transition Patterns in Bose-Einstein Condensation

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dc.creatorPinto, Marcus B.
dc.creatorRamos, Rudnei O.
dc.creatorCruz, Frederico F. de Souza
dc.date2002-04-18
dc.date.accessioned2026-07-07T02:45:08Z
dc.date.available2026-07-07T02:45:08Z
dc.descriptionWe analyze the possible transition patterns exhibited by an effective non-relativistic field model describing interacting binary homogeneous dilute Bose gases whose overall potential is repulsive. We evaluate the temperature dependence of all couplings and show that at intermediate temperatures the crossed interaction, which is allowed to be attractive, dominates, leading to smooth re-entrant phases. At higher temperatures this interaction suffers a sudden sign inversion leading to an abrupt discontinuous transition back to the normal gas phase. This situation may suggest an alternative way to observe collapsing and exploding condensates. Our results also suggest that such binary systems may offer the possibility of observing Bose-Einstein condensation at higher critical temperatures.
dc.description4 pages, Revtex4, 2 eps figures (uses epsf)
dc.identifierhttps://arxiv.org/abs/cond-mat/0204416
dc.identifierhttp://arxiv.org/abs/cond-mat/0204416
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19192
dc.subjectSoft Condensed Matter
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Theory
dc.titleUnusual Transition Patterns in Bose-Einstein Condensation
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