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Article: Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality
Title | Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality | ||||||
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Authors | |||||||
Keywords | Physics | ||||||
Issue Date | 2009 | ||||||
Publisher | American 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, article no. 063829 How to Cite? | ||||||
Abstract | We 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 Identifier | http://hdl.handle.net/10722/123841 | ||||||
ISSN | 2014 Impact Factor: 2.808 | ||||||
ISI Accession Number ID |
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 Field | Value | Language |
---|---|---|
dc.contributor.author | Huang, JF | en_HK |
dc.contributor.author | Li, Y | en_HK |
dc.contributor.author | Liao, JQ | en_HK |
dc.contributor.author | Kuang, LM | en_HK |
dc.contributor.author | Sun, CP | en_HK |
dc.date.accessioned | 2010-10-04T08:31:10Z | - |
dc.date.available | 2010-10-04T08:31:10Z | - |
dc.date.issued | 2009 | en_HK |
dc.identifier.citation | Physical Review A (Atomic, Molecular and Optical Physics), 2009, v. 80 n. 6, article no. 063829 | - |
dc.identifier.issn | 1050-2947 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/123841 | - |
dc.description.abstract | We 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.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://pra.aps.org | en_HK |
dc.relation.ispartof | Physical Review A (Atomic, Molecular and Optical Physics) | - |
dc.rights | Copyright 2009 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevA.80.063829 | - |
dc.subject | Physics | - |
dc.title | Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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.email | Li, Y: Yongli@hkucc.hku.hk | en_HK |
dc.identifier.authority | Li, Y=rp00743 | en_HK |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevA.80.063829 | en_HK |
dc.identifier.scopus | eid_2-s2.0-72049101619 | en_HK |
dc.identifier.hkuros | 171510 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-72049101619&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 80 | en_HK |
dc.identifier.issue | 6 | en_HK |
dc.identifier.spage | article no. 063829 | - |
dc.identifier.epage | article no. 063829 | - |
dc.identifier.isi | WOS:000273233800180 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Huang, JF=34770090300 | en_HK |
dc.identifier.scopusauthorid | Li, Y=15822576000 | en_HK |
dc.identifier.scopusauthorid | Liao, JQ=23019457800 | en_HK |
dc.identifier.scopusauthorid | Kuang, LM=35253695500 | en_HK |
dc.identifier.scopusauthorid | Sun, CP=7404248944 | en_HK |
dc.identifier.issnl | 1050-2947 | - |