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Interacting bosons in topological optical flux lattices

Author(s): Sterdyniak, A; Bernevig, Bogdan A; Cooper, Nigel R; Regnault, N

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dc.contributor.authorSterdyniak, A-
dc.contributor.authorBernevig, Bogdan A-
dc.contributor.authorCooper, Nigel R-
dc.contributor.authorRegnault, N-
dc.date.accessioned2020-10-30T19:20:35Z-
dc.date.available2020-10-30T19:20:35Z-
dc.date.issued2015-01-13en_US
dc.identifier.citationSterdyniak, A, Bernevig, B Andrei, Cooper, Nigel R, Regnault, N. (2015). Interacting bosons in topological optical flux lattices. PHYSICAL REVIEW B, 91 (10.1103/PhysRevB.91.035115en_US
dc.identifier.issn2469-9950-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1z81t-
dc.description.abstractAn interesting route to the realization of topological Chern bands in ultracold atomic gases is through the use of optical flux lattices. These models differ from the tight-binding real-space lattice models of Chern insulators that are conventionally studied in solid-state contexts. Instead, they involve the coherent coupling of internal atomic (spin) states, and can be viewed as tight-binding models in reciprocal space. By changing the form of the coupling and the number N of internal spin states, they give rise to Chern bands with controllable Chern number and with nearly flat energy dispersion. We investigate in detail how interactions between bosons occupying these bands can lead to the emergence of fractional quantum Hall states, such as the Laughlin and Moore-Read states. In order to test the experimental realization of these phases, we study their stability with respect to band dispersion and band mixing. We also probe interesting topological phases that emerge in these systems when the Chern number is greater than 1.en_US
dc.language.isoen_USen_US
dc.relation.ispartofPHYSICAL REVIEW Ben_US
dc.rightsFinal published version. Article is made available in OAR by the publisher's permission or policy.en_US
dc.titleInteracting bosons in topological optical flux latticesen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1103/PhysRevB.91.035115-
dc.date.eissued2015-01-13en_US
dc.identifier.eissn2469-9969-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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