Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/5492
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dc.contributor.authorDhar, A-
dc.contributor.authorMishra, T-
dc.contributor.authorPai, R. V-
dc.contributor.authorDas, B. P-
dc.date.accessioned2011-06-03T11:20:08Z-
dc.date.available2011-06-03T11:20:08Z-
dc.date.issued2011-05-
dc.identifier.citationPhysical Review A, Vol. 83, No. 5, 053621en
dc.identifier.urihttp://hdl.handle.net/2248/5492-
dc.description.abstractWe analyze various quantum phases of ultracold bosonic atoms in a periodic one-dimensional optical superlattice. Our studies have been performed using the finite-size density-matrix renormalization group method in the framework of the Bose-Hubbard model. Calculations have been carried out for a wide range of densities and the energy shifts due to the superlattice potential. At commensurate fillings, we find the Mott insulator and the superfluid phases as well as Mott insulators induced by the superlattice. At a particular incommensurate density, the system is found to be in the superfluid phase coexisting with density oscillations for a certain range of parameters of the system.en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://link.aps.org/doi/10.1103/PhysRevA.83.053621en
dc.rights© American Physical Societyen
dc.subjectBose-Hubbard modelen
dc.subjectSuperfluiden
dc.titleQuantum phases of ultracold bosonic atoms in a one-dimensional optical superlatticeen
dc.typeArticleen
Appears in Collections:IIAP Publications

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