The transition temperature of the dilute interacting Bose gas

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dc.creatorBaym, Gordon
dc.creatorBlaizot, Jean-Paul
dc.creatorHolzmann, Markus
dc.creatorLaloë, Franck
dc.creatorVautherin, Dominique
dc.date1999-05-29
dc.date1999-08-08
dc.date.accessioned2026-07-07T12:01:16Z
dc.date.available2026-07-07T12:01:16Z
dc.descriptionWe show that the critical temperature of a uniform dilute Bose gas must increase linearly with the s-wave scattering length describing the repulsion between the particles. Because of infrared divergences, the magnitude of the shift cannot be obtained from perturbation theory, even in the weak coupling regime; rather, it is proportional to the size of the critical region in momentum space. By means of a self-consistent calculation of the quasiparticle spectrum at low momenta at the transition, we find an estimate of the effect in reasonable agreement with numerical simulations.
dc.description4 pages, Revtex, to be published in Physical Review Letters
dc.identifierhttps://arxiv.org/abs/cond-mat/9905430
dc.identifierhttp://arxiv.org/abs/cond-mat/9905430
dc.identifierPhys.Rev.Lett.83:1703-1706,1999
dc.identifierdoi:10.1103/PhysRevLett.83.1703
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207042
dc.subjectStatistical Mechanics
dc.titleThe transition temperature of the dilute interacting Bose gas
dc.typetext

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