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Article: Exploring quantum phase transitions with a sublattice entanglement scenario

TitleExploring quantum phase transitions with a sublattice entanglement scenario
Authors
Chen, YWang, ZDZhang, FC
Issue Date2006
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2006, v. 73 n. 22, article no. 224414 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.73.224414
AbstractWe introduce a measure called reduced entropy of sublattice to quantify entanglement in spin, electron, and boson systems. By analyzing this quantity, we reveal an intriguing connection between quantum entanglement and quantum phase transitions in various strongly correlated systems: the local extremes of reduced entropy and its first derivative as functions of the coupling constant coincide, respectively, with the first and second order transition points. Exact numerical studies merely for small lattices reproduce several well-known results, demonstrating that our scenario is quite promising for exploring quantum phase transitions. © 2006 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/92314
ISSN
1098-0121
2014 Impact Factor: 3.736
ISI Accession Number ID
WOS:000238696300060
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorChen, Yen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2010-09-17T10:42:23Z-
dc.date.available2010-09-17T10:42:23Z-
dc.date.issued2006en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2006, v. 73 n. 22, article no. 224414-
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92314-
dc.description.abstractWe introduce a measure called reduced entropy of sublattice to quantify entanglement in spin, electron, and boson systems. By analyzing this quantity, we reveal an intriguing connection between quantum entanglement and quantum phase transitions in various strongly correlated systems: the local extremes of reduced entropy and its first derivative as functions of the coupling constant coincide, respectively, with the first and second order transition points. Exact numerical studies merely for small lattices reproduce several well-known results, demonstrating that our scenario is quite promising for exploring quantum phase transitions. © 2006 The American Physical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B (Condensed Matter and Materials Physics)-
dc.titleExploring quantum phase transitions with a sublattice entanglement scenarioen_HK
dc.typeArticleen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.73.224414en_HK
dc.identifier.scopuseid_2-s2.0-33745062865en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33745062865&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume73en_HK
dc.identifier.issue22en_HK
dc.identifier.spagearticle no. 224414-
dc.identifier.epagearticle no. 224414-
dc.identifier.eissn1550-235X-
dc.identifier.isiWOS:000238696300060-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChen, Y=7601428288en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK
dc.identifier.issnl1098-0121-

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