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Article: Operator fidelity susceptibility: An indicator of quantum criticality

TitleOperator fidelity susceptibility: An indicator of quantum criticality
Authors
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. 79 n. 1 How to Cite?
AbstractWe introduce an operator fidelity and propose to use its susceptibility for characterizing the sensitivity of quantum systems to perturbations. Two typical models are addressed: One is the transverse Ising model exhibiting a quantum phase transition, and the other is the one-dimensional Heisenberg spin chain with next-nearest-neighbor interactions, which has the degeneracy. It is revealed that the operator fidelity susceptibility is a good indicator of quantum criticality regardless of the system degeneracy. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/59637
ISSN
2014 Impact Factor: 2.808
2015 SCImago Journal Rankings: 1.418
ISI Accession Number ID
Funding AgencyGrant Number
New Century Excellent Talents in University (NCET)
NSFC10874151
90503003
10429401
State Key Program for Basic Research of China2006CB921206
2006CB921800
Specialized Research Fund20050335087
RGCHKU-3/05C
HKU7051/06P
HKU7049/07P
HKU7044/08P
Funding Information:

The work was supported by the Program for New Century Excellent Talents in University (NCET), the NSFC by Grants No. 10874151, No. 90503003, and No. 10429401, the State Key Program for Basic Research of China with Grants No. 2006CB921206 and No. 2006CB921800, the Specialized Research Fund for with Grant No. 20050335087, and the RGC Grants No. HKU-3/05C, No. HKU7051/06P, No. HKU7049/07P, and No. HKU7044/08P.

References

 

DC FieldValueLanguage
dc.contributor.authorWang, Xen_HK
dc.contributor.authorSun, Zen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2010-05-31T03:54:15Z-
dc.date.available2010-05-31T03:54:15Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review A - Atomic, Molecular, And Optical Physics, 2009, v. 79 n. 1en_HK
dc.identifier.issn1050-2947en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59637-
dc.description.abstractWe introduce an operator fidelity and propose to use its susceptibility for characterizing the sensitivity of quantum systems to perturbations. Two typical models are addressed: One is the transverse Ising model exhibiting a quantum phase transition, and the other is the one-dimensional Heisenberg spin chain with next-nearest-neighbor interactions, which has the degeneracy. It is revealed that the operator fidelity susceptibility is a good indicator of quantum criticality regardless of the system degeneracy. © 2009 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.titleOperator fidelity susceptibility: An indicator of quantum criticalityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0556-2791&volume=79&spage=012105: 1&epage=5&date=2009&atitle=Operator+fidelity+susceptibility:+An+indicator+of+quantum+criticalityen_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.79.012105en_HK
dc.identifier.scopuseid_2-s2.0-58949102447en_HK
dc.identifier.hkuros155381en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-58949102447&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume79en_HK
dc.identifier.issue1en_HK
dc.identifier.isiWOS:000262979000025-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWang, X=8862564600en_HK
dc.identifier.scopusauthoridSun, Z=35254177000en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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