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Article: Restoring coherence lost to a slow interacting mesoscopic spin bath

TitleRestoring coherence lost to a slow interacting mesoscopic spin bath
Authors
Issue Date2007
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2007, v. 98 n. 7 How to Cite?
AbstractFor a two-state quantum object interacting with a slow mesoscopic interacting spin bath, we show that a many-body solution of the bath dynamics conditioned on the quantum-object state leads to an efficient control scheme to recover the lost quantum-object coherence through disentanglement. We demonstrate the theory with the realistic problem of one electron spin in a bath of many interacting nuclear spins in a semiconductor quantum dot. The spin language can be easily generalized to a quantum object in contact with a bath of interacting multilevel quantum units with the caveat that the bath is mesoscopic and its dynamics is slow compared with the quantum object. © 2007 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/175052
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYao, Wen_US
dc.contributor.authorLiu, RBen_US
dc.contributor.authorSham, LJen_US
dc.date.accessioned2012-11-26T08:48:59Z-
dc.date.available2012-11-26T08:48:59Z-
dc.date.issued2007en_US
dc.identifier.citationPhysical Review Letters, 2007, v. 98 n. 7en_US
dc.identifier.issn0031-9007en_US
dc.identifier.urihttp://hdl.handle.net/10722/175052-
dc.description.abstractFor a two-state quantum object interacting with a slow mesoscopic interacting spin bath, we show that a many-body solution of the bath dynamics conditioned on the quantum-object state leads to an efficient control scheme to recover the lost quantum-object coherence through disentanglement. We demonstrate the theory with the realistic problem of one electron spin in a bath of many interacting nuclear spins in a semiconductor quantum dot. The spin language can be easily generalized to a quantum object in contact with a bath of interacting multilevel quantum units with the caveat that the bath is mesoscopic and its dynamics is slow compared with the quantum object. © 2007 The American Physical Society.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.titleRestoring coherence lost to a slow interacting mesoscopic spin bathen_US
dc.typeArticleen_US
dc.identifier.emailYao, W: wangyao@hku.hken_US
dc.identifier.authorityYao, W=rp00827en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1103/PhysRevLett.98.077602en_US
dc.identifier.pmid17359060-
dc.identifier.scopuseid_2-s2.0-33846975100en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33846975100&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume98en_US
dc.identifier.issue7en_US
dc.identifier.isiWOS:000244250300063-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYao, W=35141935300en_US
dc.identifier.scopusauthoridLiu, RB=8927912500en_US
dc.identifier.scopusauthoridSham, LJ=7006555193en_US
dc.identifier.citeulike7232193-

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