Topology Induced Spatial Bose-Einstein Condensation for Bosons on Star-Shaped Optical Networks

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dc.creatorBrunelli, I.
dc.creatorGiusiano, G.
dc.creatorMancini, F. P.
dc.creatorSodano, P.
dc.creatorTrombettoni, A.
dc.date2004-04-21
dc.date.accessioned2026-07-07T02:57:44Z
dc.date.available2026-07-07T02:57:44Z
dc.descriptionNew coherent states may be induced by pertinently engineering the topology of a network. As an example, we consider the properties of non-interacting bosons on a star network, which may be realized with a dilute atomic gas in a star-shaped deep optical lattice. The ground state is localized around the star center and it is macroscopically occupied below the Bose-Einstein condensation temperature T_c. We show that T_c depends only on the number of the star arms and on the Josephson energy of the bosonic Josephson junctions and that the non-condensate fraction is simply given by the reduced temperature T/T_c.
dc.description20 Pages, 5 Figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0404500
dc.identifierhttp://arxiv.org/abs/cond-mat/0404500
dc.identifierJ. Phys. B: At. Mol. Opt. Phys 37, S275 (2004)
dc.identifierdoi:10.1088/0953-4075/37/7/072
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23790
dc.subjectStatistical Mechanics
dc.titleTopology Induced Spatial Bose-Einstein Condensation for Bosons on Star-Shaped Optical Networks
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