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Article: Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality

TitleDynamic sensitivity of photon-dressed atomic ensemble with quantum criticality
Authors
KeywordsPhysics
Issue Date2009
PublisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.org
Citation
Physical Review A - Atomic, Molecular, And Optical Physics, 2009, v. 80 n. 6 How to Cite?
AbstractWe study the dynamic sensitivity of an atomic ensemble dressed by a single-mode cavity field (called a photon-dressed atomic ensemble), which is described by the Dicke model near the quantum critical point. It is shown that when an extra atom in a pure initial state passes through the cavity, the photon-dressed atomic ensemble will experience a quantum phase transition showing an explicit sudden change in its dynamics characterized by the Loschmidt echo of this quantum critical system. With such dynamic sensitivity, the Dicke model can resemble the cloud chamber for detecting a flying particle by the enhanced trajectory due to the classical phase transition. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/123841
ISSN
2014 Impact Factor: 2.808
2015 SCImago Journal Rankings: 1.418
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China10935010
10775048
National Fundamental Research Program of China2006CB921205
2007CB925204
Funding Information:

We would like thank Shuo Yang for helpful discussions. This work was supported by the National Natural Science Foundation of China with Grants No. 10935010 and No. 10775048, and the National Fundamental Research Program of China with Grants No. 2006CB921205 and No. 2007CB925204.

References

 

DC FieldValueLanguage
dc.contributor.authorHuang, JFen_HK
dc.contributor.authorLi, Yen_HK
dc.contributor.authorLiao, JQen_HK
dc.contributor.authorKuang, LMen_HK
dc.contributor.authorSun, CPen_HK
dc.date.accessioned2010-10-04T08:31:10Z-
dc.date.available2010-10-04T08:31:10Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review A - Atomic, Molecular, And Optical Physics, 2009, v. 80 n. 6en_HK
dc.identifier.issn1050-2947en_HK
dc.identifier.urihttp://hdl.handle.net/10722/123841-
dc.description.abstractWe study the dynamic sensitivity of an atomic ensemble dressed by a single-mode cavity field (called a photon-dressed atomic ensemble), which is described by the Dicke model near the quantum critical point. It is shown that when an extra atom in a pure initial state passes through the cavity, the photon-dressed atomic ensemble will experience a quantum phase transition showing an explicit sudden change in its dynamics characterized by the Loschmidt echo of this quantum critical system. With such dynamic sensitivity, the Dicke model can resemble the cloud chamber for detecting a flying particle by the enhanced trajectory due to the classical phase transition. © 2009 The American Physical Society.en_HK
dc.languageeng-
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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review A (Atomic, Molecular and Optical Physics). Copyright © American Physical Society.-
dc.subjectPhysics-
dc.titleDynamic sensitivity of photon-dressed atomic ensemble with quantum criticalityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1050-2947&volume=80&issue=6&spage=063829&epage=&date=2009&atitle=Dynamic+sensitivity+of+photon-dressed+atomic+ensemble+with+quantum+criticality-
dc.identifier.emailLi, Y: Yongli@hkucc.hku.hken_HK
dc.identifier.authorityLi, Y=rp00743en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevA.80.063829en_HK
dc.identifier.scopuseid_2-s2.0-72049101619en_HK
dc.identifier.hkuros171510-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-72049101619&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume80en_HK
dc.identifier.issue6en_HK
dc.identifier.isiWOS:000273233800180-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHuang, JF=34770090300en_HK
dc.identifier.scopusauthoridLi, Y=15822576000en_HK
dc.identifier.scopusauthoridLiao, JQ=23019457800en_HK
dc.identifier.scopusauthoridKuang, LM=35253695500en_HK
dc.identifier.scopusauthoridSun, CP=7404248944en_HK

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