Quantum correlations of spin-1 atoms in an optical lattice

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dc.citation.epage631en_US
dc.citation.issueNumber4en_US
dc.citation.spage625en_US
dc.citation.volumeNumber19en_US
dc.contributor.authorÖztop, B.en_US
dc.contributor.authorOktel, M. Ö.en_US
dc.contributor.authorMüstecaplioǧlu, Ö. E.en_US
dc.date.accessioned2016-02-08T10:04:46Z
dc.date.available2016-02-08T10:04:46Z
dc.date.issued2009en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractIn this work, we investigate the system of cold spin-1 atoms in a one dimensional optical lattice in relation with squeezing and entanglement. By using the corresponding Bose-Hubbard Hamiltonian, both superfluid and Mott-insulator phases are studied by using numerical methods in the mean-field approximation. To observe the presence of entanglement, we used a squeezing measure as a criterion for quantum correlations. We further investigate the two interaction regimes, namely ferromagnetic and antiferromagnetic in the case of zero and nonzero but very small angle between the counterpropagating laser beams that form the optical lattice. States in the superfluid phase are calculated analytically by using the perturbation theory.en_US
dc.identifier.doi10.1134/S1054660X0904015Xen_US
dc.identifier.eissn1555-6611
dc.identifier.issn1054-660X
dc.identifier.urihttp://hdl.handle.net/11693/22790
dc.language.isoEnglishen_US
dc.publisherInstitute of Physics Publishingen_US
dc.relation.isversionofhttp://dx.doi.org/10.1134/S1054660X0904015Xen_US
dc.source.titleLaser Physicsen_US
dc.subjectBose-hubbard hamiltoniansen_US
dc.subjectCounterpropagating laser beamsen_US
dc.subjectFerromagnetic and anti-ferromagneticen_US
dc.subjectMean-field approximationsen_US
dc.subjectMott-insulator phasisen_US
dc.subjectOne-dimensional optical latticesen_US
dc.subjectOptical latticesen_US
dc.subjectPerturbation theoriesen_US
dc.subjectQuantum correlationsen_US
dc.subjectSuperfluid phaseen_US
dc.subjectAntiferromagnetismen_US
dc.subjectAtomsen_US
dc.subjectCrystal latticesen_US
dc.subjectNumerical methodsen_US
dc.subjectOptical materialsen_US
dc.subjectSpin dynamicsen_US
dc.subjectPerturbation techniquesen_US
dc.titleQuantum correlations of spin-1 atoms in an optical latticeen_US
dc.typeArticleen_US
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