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Article: Josephson dynamics of a spin-orbit-coupled Bose-Einstein condensate in a double-well potential

TitleJosephson dynamics of a spin-orbit-coupled Bose-Einstein condensate in a double-well potential
Authors
Zhang, DWFu, LBWang, ZDZhu, SL
KeywordsAtomic spin
Bose-einstein condensates
Double-well potential
Interatomic interactions
Interwell tunneling
Issue Date2012
PublisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.org
Citation
Physical Review A (Atomic, Molecular and Optical Physics), 2012, v. 85 n. 4, article no. 043609 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevA.85.043609
AbstractWe investigate the quantum dynamics of an experimentally realized spin-orbit-coupled Bose-Einstein condensate in a double-well potential. The spin-orbit coupling can significantly enhance the atomic interwell tunneling. We find the coexistence of internal and external Josephson effects in the system, which are moreover inherently coupled in a complicated form even in the absence of interatomic interactions. Moreover, we show that the spin-dependent tunneling between two wells can induce a net atomic spin current referred as spin Josephson effects. Such spin Josephson effects can be observable under realistic conditions. © 2012 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/149038
ISSN
1050-2947
2014 Impact Factor: 2.808
ISI Accession Number ID
WOS:000302602500009
Funding AgencyGrant Number
NBRPC2011CBA00302
SKPBRC2011CB922104
2011CB921503
NSF of China11125417
10974059
11075020
GRFHKU7058/11P
CRF of the RGC of Hong KongHKU8/CRF/11G
Funding Information:

This work was supported in part by the NBRPC (No. 2011CBA00302), the SKPBRC (No. 2011CB922104 and No. 2011CB921503), the NSF of China (No. 11125417, No. 10974059, and No. 11075020), and the GRF (HKU7058/11P) and CRF (HKU8/CRF/11G) of the RGC of Hong Kong.

Grants
Quantum Control and Quantum Information Processing

 

DC FieldValueLanguage
dc.contributor.authorZhang, DW-
dc.contributor.authorFu, LB-
dc.contributor.authorWang, ZD-
dc.contributor.authorZhu, SL-
dc.date.accessioned2012-06-20T07:53:21Z-
dc.date.available2012-06-20T07:53:21Z-
dc.date.issued2012-
dc.identifier.citationPhysical Review A (Atomic, Molecular and Optical Physics), 2012, v. 85 n. 4, article no. 043609-
dc.identifier.issn1050-2947-
dc.identifier.urihttp://hdl.handle.net/10722/149038-
dc.description.abstractWe investigate the quantum dynamics of an experimentally realized spin-orbit-coupled Bose-Einstein condensate in a double-well potential. The spin-orbit coupling can significantly enhance the atomic interwell tunneling. We find the coexistence of internal and external Josephson effects in the system, which are moreover inherently coupled in a complicated form even in the absence of interatomic interactions. Moreover, we show that the spin-dependent tunneling between two wells can induce a net atomic spin current referred as spin Josephson effects. Such spin Josephson effects can be observable under realistic conditions. © 2012 American Physical Society.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.org-
dc.relation.ispartofPhysical Review A (Atomic, Molecular and Optical Physics)-
dc.rightsCopyright 2012 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevA.85.043609-
dc.subjectAtomic spin-
dc.subjectBose-einstein condensates-
dc.subjectDouble-well potential-
dc.subjectInteratomic interactions-
dc.subjectInterwell tunneling-
dc.titleJosephson dynamics of a spin-orbit-coupled Bose-Einstein condensate in a double-well potentialen_US
dc.typeArticleen_US
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevA.85.043609-
dc.identifier.scopuseid_2-s2.0-84859788741-
dc.identifier.hkuros199944-
dc.identifier.volume85-
dc.identifier.issue4-
dc.identifier.spagearticle no. 043609-
dc.identifier.epagearticle no. 043609-
dc.identifier.isiWOS:000302602500009-
dc.publisher.placeUnited States-
dc.relation.projectQuantum Control and Quantum Information Processing-
dc.identifier.issnl1050-2947-

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