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Article: Bose-Hubbard models with synthetic spin-orbit coupling: Mott insulators, spin textures, and superfluidity

TitleBose-Hubbard models with synthetic spin-orbit coupling: Mott insulators, spin textures, and superfluidity
Authors
Issue Date2012
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2012, v. 109 n. 8, article no. 085302 How to Cite?
AbstractMotivated by the experimental realization of synthetic spin-orbit coupling for ultracold atoms, we investigate the phase diagram of the Bose-Hubbard model in a non-Abelian gauge field in two dimensions. Using a strong coupling expansion in the combined presence of spin-orbit coupling and tunable interactions, we find a variety of interesting magnetic Hamiltonians in the Mott insulator (MI), which support magnetic textures such as spin spirals and vortex and Skyrmion crystals. An inhomogeneous mean-field treatment shows that the superfluid (SF) phases inherit these exotic magnetic orders from the MI and display, in addition, unusual modulated current patterns. We present a slave-boson theory which gives insight into such intertwined spin-charge orders in the SF, and discuss signatures of these orders in Bragg scattering, in situ microscopy, and dynamic quench experiments. © 2012 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167083
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 3.040
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCole, WSen_HK
dc.contributor.authorZhang, Sen_HK
dc.contributor.authorParamekanti, Aen_HK
dc.contributor.authorTrivedi, Nen_HK
dc.date.accessioned2012-09-28T04:02:58Z-
dc.date.available2012-09-28T04:02:58Z-
dc.date.issued2012en_HK
dc.identifier.citationPhysical Review Letters, 2012, v. 109 n. 8, article no. 085302-
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/167083-
dc.description.abstractMotivated by the experimental realization of synthetic spin-orbit coupling for ultracold atoms, we investigate the phase diagram of the Bose-Hubbard model in a non-Abelian gauge field in two dimensions. Using a strong coupling expansion in the combined presence of spin-orbit coupling and tunable interactions, we find a variety of interesting magnetic Hamiltonians in the Mott insulator (MI), which support magnetic textures such as spin spirals and vortex and Skyrmion crystals. An inhomogeneous mean-field treatment shows that the superfluid (SF) phases inherit these exotic magnetic orders from the MI and display, in addition, unusual modulated current patterns. We present a slave-boson theory which gives insight into such intertwined spin-charge orders in the SF, and discuss signatures of these orders in Bragg scattering, in situ microscopy, and dynamic quench experiments. © 2012 American Physical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Lettersen_HK
dc.titleBose-Hubbard models with synthetic spin-orbit coupling: Mott insulators, spin textures, and superfluidityen_HK
dc.typeArticleen_HK
dc.identifier.emailZhang, S: shizhong@hku.hken_HK
dc.identifier.authorityZhang, S=rp01661en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1103/PhysRevLett.109.085302en_HK
dc.identifier.pmid23002754-
dc.identifier.scopuseid_2-s2.0-84865224807en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84865224807&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume109en_HK
dc.identifier.issue8en_HK
dc.identifier.spagearticle no. 085302-
dc.identifier.epagearticle no. 085302-
dc.identifier.isiWOS:000307711300011-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCole, WS=55340790800en_HK
dc.identifier.scopusauthoridZhang, S=36678393800en_HK
dc.identifier.scopusauthoridParamekanti, A=6603591656en_HK
dc.identifier.scopusauthoridTrivedi, N=35482842200en_HK
dc.identifier.issnl0031-9007-

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