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Article: Extended JC-Dicke model for two-component atomic BEC inside a cavity

TitleExtended JC-Dicke model for two-component atomic BEC inside a cavity
Authors
KeywordsPhysics
Issue Date2010
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/10053/
Citation
European Physical Journal D, 2010, v. 58 n. 3, p. 379-384 How to Cite?
AbstractWe consider a trapped two-component atomic Bose-Einstein condensate (BEC), where each atom with three energy-levels is coupled to an optical cavity field and an external classical optical field as well as a microwave field to form the so-called Δ-type configuration. After adiabatically eliminating the atomic excited state, an extended JC-Dicke model is derived under the rotating-wave approximation. The scaled ground-state energy and the phase diagram of this model Hamiltonian are investigated in the framework of mean-field approach. A new phase transition is revealed when the amplitude of microwave field changes its sign.
Persistent Identifierhttp://hdl.handle.net/10722/90570
ISSN
2015 Impact Factor: 1.208
2015 SCImago Journal Rankings: 0.475
ISI Accession Number ID
Funding AgencyGrant Number
RGC of Hong KongHKU7051/06P
HKU7044/08P
URC fund of HKU
State Key Program for Basic Research of China2006CB921800
Funding Information:

We thank Ming-Yong Ye, Zi-Jian Yao, Gang Chen, and Zheng-Yuan Xue for helpful discussions. This work was supported by the RGC of Hong Kong under Grant Nos. HKU7051/06P and HKU7044/08P, the URC fund of HKU, and the State Key Program for Basic Research of China (No. 2006CB921800).

References

 

DC FieldValueLanguage
dc.contributor.authorLi, Yen_HK
dc.contributor.authorZhang, Pen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2010-09-17T01:22:51Z-
dc.date.available2010-09-17T01:22:51Z-
dc.date.issued2010en_HK
dc.identifier.citationEuropean Physical Journal D, 2010, v. 58 n. 3, p. 379-384en_HK
dc.identifier.issn1434-6060en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90570-
dc.description.abstractWe consider a trapped two-component atomic Bose-Einstein condensate (BEC), where each atom with three energy-levels is coupled to an optical cavity field and an external classical optical field as well as a microwave field to form the so-called Δ-type configuration. After adiabatically eliminating the atomic excited state, an extended JC-Dicke model is derived under the rotating-wave approximation. The scaled ground-state energy and the phase diagram of this model Hamiltonian are investigated in the framework of mean-field approach. A new phase transition is revealed when the amplitude of microwave field changes its sign.en_HK
dc.languageeng-
dc.publisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/10053/en_HK
dc.relation.ispartofEuropean Physical Journal Den_HK
dc.subjectPhysics-
dc.titleExtended JC-Dicke model for two-component atomic BEC inside a cavityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1434-6060&volume=58&issue=3&spage=379&epage=384&date=2010&atitle=Extended+JC-Dicke+model+for+two-component+atomic+BEC+inside+a+cavity-
dc.identifier.emailLi, Y: Yongli@hkucc.hku.hken_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityLi, Y=rp00743en_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1140/epjd/e2010-00126-4en_HK
dc.identifier.scopuseid_2-s2.0-77955984659en_HK
dc.identifier.hkuros171508-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955984659&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume58en_HK
dc.identifier.issue3en_HK
dc.identifier.spage379en_HK
dc.identifier.epage384en_HK
dc.identifier.isiWOS:000278742900012-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridLi, Y=15822576000en_HK
dc.identifier.scopusauthoridZhang, P=55491549300en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.citeulike7193121-

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