Zero-temperature phase transitions in dilute bosonic superfluids on a lattice

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dc.creatorAlexandrov, A. S.
dc.creatorThomas, I. O.
dc.date2009-04-30
dc.date.accessioned2026-07-07T13:18:06Z
dc.date.available2026-07-07T13:18:06Z
dc.descriptionKinetic energy driven phase transitions in Bose superfluids occur at low values of the repulsion when the values of the next-to-nearest and next-to-next-to-nearest hopping term attain certain critical values, resulting in alterations in the wave vector of the condensate. We map out the space of possible phases allowed by particular forms of the single-particle energy dispersion in the superfluid state, noting the appearance of a new phase, and examine in more detail the effects of additional repulsive terms on the form of the condensate wavefunction. We also examine the effect of these additional hopping terms on the formation of inhomogeneities in the condensate.
dc.description22 pages, 1 table, 12 figures, submitted to J. Phys. Cond. Mat
dc.identifierhttps://arxiv.org/abs/0904.4866
dc.identifierhttp://arxiv.org/abs/0904.4866
dc.identifierJ. Phys.: Condens. Matter 21 (2009) 245602.
dc.identifierdoi:10.1088/0953-8984/21/24/245602
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/231327
dc.subjectQuantum Gases
dc.titleZero-temperature phase transitions in dilute bosonic superfluids on a lattice
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