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Article: Quantum entanglement and the self-trapping transition in polaronic systems

TitleQuantum entanglement and the self-trapping transition in polaronic systems
Authors
KeywordsPhysics
Issue Date2004
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2004, v. 70 n. 19, p. 1-5 How to Cite?
AbstractWe revisit from a quantum-information perspective a classic problem of polaron theory in one dimension. In the context of the Holstein model we show that a simple analysis of quantum entanglement between excitonic and phononic degrees of freedom allows one to effectively characterize both the small and large polaron regimes as well as the crossover in between. The small (large) polaron regime corresponds to a high (low) degree of bipartite quantum entanglement between the exciton and the phonon cloud that clothes the exciton. Moreover, the self-trapping transition is clearly displayed by a sharp drop of exciton-phonon entanglement.
Persistent Identifierhttp://hdl.handle.net/10722/42640
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhao, Yen_HK
dc.contributor.authorZanardi, Pen_HK
dc.contributor.authorChen, Gen_HK
dc.date.accessioned2007-03-23T04:28:34Z-
dc.date.available2007-03-23T04:28:34Z-
dc.date.issued2004en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2004, v. 70 n. 19, p. 1-5en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42640-
dc.description.abstractWe revisit from a quantum-information perspective a classic problem of polaron theory in one dimension. In the context of the Holstein model we show that a simple analysis of quantum entanglement between excitonic and phononic degrees of freedom allows one to effectively characterize both the small and large polaron regimes as well as the crossover in between. The small (large) polaron regime corresponds to a high (low) degree of bipartite quantum entanglement between the exciton and the phonon cloud that clothes the exciton. Moreover, the self-trapping transition is clearly displayed by a sharp drop of exciton-phonon entanglement.en_HK
dc.format.extent68904 bytes-
dc.format.extent26112 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
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 Physicsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleQuantum entanglement and the self-trapping transition in polaronic systemsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=70&issue=19&spage=195113:1&epage=5&date=2004&atitle=Quantum+entanglement+and+the+self-trapping+transition+in+polaronic+systemsen_HK
dc.identifier.emailChen, G:ghc@yangtze.hku.hken_HK
dc.identifier.authorityChen, G=rp00671en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.70.195113en_HK
dc.identifier.scopuseid_2-s2.0-12344319061en_HK
dc.identifier.hkuros98393-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-12344319061&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume70en_HK
dc.identifier.issue19en_HK
dc.identifier.spage1en_HK
dc.identifier.epage5en_HK
dc.identifier.isiWOS:000225477800052-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhao, Y=8579132600en_HK
dc.identifier.scopusauthoridZanardi, P=7005276964en_HK
dc.identifier.scopusauthoridChen, G=35253368600en_HK

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