Dynamical Spin-Density Waves in a Spin-Orbit-Coupled Bose-Einstein Condensate

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dc.contributor.authorLi, Yanen_US
dc.contributor.authorQu, Chunleien_US
dc.contributor.authorZhang, Yongshengen_US
dc.contributor.authorZhang, Chuanweien_US
dc.contributor.utdAuthorLi, Yanen_US
dc.contributor.utdAuthorQu, Chunleien_US
dc.contributor.utdAuthorZhang, Yongshengen_US
dc.contributor.utdAuthorZhang, Chuanweien_US
dc.date.accessioned2017-03-31T19:44:26Z
dc.date.available2017-03-31T19:44:26Z
dc.date.created2015-07-31en_US
dc.date.issued2015-07-31en_US
dc.description.abstractSynthetic spin-orbit (SO) coupling, an important ingredient for quantum simulation of many exotic condensed matter physics, has recently attracted considerable attention. The static and dynamic properties of a SO-coupled Bose-Einstein condensate (BEC) have been extensively studied in both theory and experiment. Here we numerically investigate the generation and propagation of a dynamical spin-density wave (SDW) in a SO-coupled BEC using a fast moving Gaussian-shaped barrier. We find that the SDW wavelength is sensitive to the barrier's velocity while varies slightly with the barrier's peak potential or width. We qualitatively explain the generation of SDW by considering a rectangular barrier in a one-dimensional system. Our results may motivate future experimental and theoretical investigations of rich dynamics in the SO-coupled BEC induced by a moving barrier.en_US
dc.description.sponsorshipNSFC (11104075, 61275122); ARO (W011NF-12-1-0334); AFOSR (FA9550-13-1-0045); National Fundamental Research Program (2011CB921200, 2011CBA00200)en_US
dc.identifier.bibliographicCitationLi, Yan, Chunlei Qu, Yongsheng Zhang, and Chuanwei Zhang. 2015. "Dynamical spin-density waves in a spin-orbit-coupled Bose-Einstein condensate." Physical Review A 92(1), doi: 10.1103/PhysRevA.92.013635en_US
dc.identifier.issn1050-2947en_US
dc.identifier.issue1en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/5342
dc.identifier.volume92en_US
dc.language.isoenen_US
dc.publisherAmer Physical Socen_US
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevA.92.013635
dc.rights©2015 American Physical Societyen_US
dc.sourcePhysical Review A
dc.subjectBose-Einstein condensationen_US
dc.subjectDensity wave theoryen_US
dc.subjectGas flowen_US
dc.subjectNuclear spinen_US
dc.subjectPolarization (Nuclear physics)en_US
dc.titleDynamical Spin-Density Waves in a Spin-Orbit-Coupled Bose-Einstein Condensateen_US
dc.type.genreArticleen_US

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