Superfluid and Mott Insulator phases of one-dimensional Bose-Fermi mixtures

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dc.creatorZujev, A.
dc.creatorBaldwin, A.
dc.creatorScalettar, R. T.
dc.creatorRousseau, V. G.
dc.creatorDenteneer, P. J. H.
dc.creatorRigol, M.
dc.date2007-11-29
dc.date2008-09-27
dc.date.accessioned2026-07-07T10:05:25Z
dc.date.available2026-07-07T10:05:25Z
dc.descriptionWe study the ground state phases of Bose-Fermi mixtures in one-dimensional optical lattices with quantum Monte Carlo simulations using the Canonical Worm algorithm. Depending on the filling of bosons and fermions, and the on-site intra- and inter-species interaction, different kinds of incompressible and superfluid phases appear. On the compressible side, correlations between bosons and fermions can lead to a distinctive behavior of the bosonic superfluid density and the fermionic stiffness, as well as of the equal-time Green functions, which allow one to identify regions where the two species exhibit anticorrelated flow. We present here complete phase diagrams for these systems at different fillings and as a function of the interaction parameters.
dc.description8 pages, 12 figures
dc.identifierhttps://arxiv.org/abs/0711.4635
dc.identifierhttp://arxiv.org/abs/0711.4635
dc.identifierPhys. Rev. A 78, 033619 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.033619
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170006
dc.subjectStatistical Mechanics
dc.titleSuperfluid and Mott Insulator phases of one-dimensional Bose-Fermi mixtures
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