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Article: Exotic quantum phase transitions in a Bose-Einstein condensate coupled to an optical cavity

TitleExotic quantum phase transitions in a Bose-Einstein condensate coupled to an optical cavity
Authors
Issue Date2008
PublisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.org
Citation
Physical Review A - Atomic, Molecular, And Optical Physics, 2008, v. 78 n. 2 How to Cite?
AbstractAn extended Dicke model, which includes atom-atom interactions and a driving classical laser field, is established for a Bose-Einstein condensate inside an ultrahigh-finesse optical cavity. A feasible experimental setup with a strong atom-field coupling is proposed, where most parameters are easily controllable and thus the predicted a second-order superradiant-normal phase transition may be detected by measuring the ground-state atomic population. More intriguingly, second-order phase transition from the superradiant phase to the "Mott" phase is also revealed. In addition, a rich and exotic phase diagram is presented. © 2008 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/59661
ISSN
2014 Impact Factor: 2.808
2015 SCImago Journal Rankings: 1.418
ISI Accession Number ID
Funding AgencyGrant Number
RGC of Hong KongHKU7051/06P
HKU7044/08P
HKU-3/05C
URC fund of HKU
NSFC10429401
10775091
10704049
Funding Information:

We thank S. L. Zhu, Y Li, D. L. Zhou, L. B. Shao, and Z. Y. Xue for helpful discussions. This work was supported by the RGC of Hong Kong under Grants No. HKU7051/06P, No. HKU7044/08P, and No. HKU-3/05C, the URC fund of HKU, and the NSFC under Grants No. 10429401, No. 10775091, and No. 10704049.

References

 

DC FieldValueLanguage
dc.contributor.authorChen, Gen_HK
dc.contributor.authorWang, Xen_HK
dc.contributor.authorLiang, JQen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2010-05-31T03:54:42Z-
dc.date.available2010-05-31T03:54:42Z-
dc.date.issued2008en_HK
dc.identifier.citationPhysical Review A - Atomic, Molecular, And Optical Physics, 2008, v. 78 n. 2en_HK
dc.identifier.issn1050-2947en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59661-
dc.description.abstractAn extended Dicke model, which includes atom-atom interactions and a driving classical laser field, is established for a Bose-Einstein condensate inside an ultrahigh-finesse optical cavity. A feasible experimental setup with a strong atom-field coupling is proposed, where most parameters are easily controllable and thus the predicted a second-order superradiant-normal phase transition may be detected by measuring the ground-state atomic population. More intriguingly, second-order phase transition from the superradiant phase to the "Mott" phase is also revealed. In addition, a rich and exotic phase diagram is presented. © 2008 The American Physical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.orgen_HK
dc.relation.ispartofPhysical Review A - Atomic, Molecular, and Optical Physicsen_HK
dc.rightsPhysical Review A (Atomic, Molecular and Optical Physics). Copyright © American Physical Society.en_HK
dc.titleExotic quantum phase transitions in a Bose-Einstein condensate coupled to an optical cavityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0556-2791&volume=78&spage=023634: 1&epage=5&date=2008&atitle=Exotic+quantum+phase+transitions+in+a+Bose-Einstein+condensate+coupled+to+an+optical+cavityen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevA.78.023634en_HK
dc.identifier.scopuseid_2-s2.0-50849108892en_HK
dc.identifier.hkuros149792en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-50849108892&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume78en_HK
dc.identifier.issue2en_HK
dc.identifier.isiWOS:000259263500049-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChen, G=15025752500en_HK
dc.identifier.scopusauthoridWang, X=8862564600en_HK
dc.identifier.scopusauthoridLiang, JQ=7404541370en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.citeulike6101871-

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