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- Publisher Website: 10.1103/PhysRevLett.98.077602
- Scopus: eid_2-s2.0-33846975100
- PMID: 17359060
- WOS: WOS:000244250300063
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Article: Restoring coherence lost to a slow interacting mesoscopic spin bath
Title | Restoring coherence lost to a slow interacting mesoscopic spin bath |
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Authors | |
Issue Date | 2007 |
Publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org |
Citation | Physical Review Letters, 2007, v. 98 n. 7, article no. 077602 How to Cite? |
Abstract | For 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 Identifier | http://hdl.handle.net/10722/175052 |
ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 3.040 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yao, W | en_US |
dc.contributor.author | Liu, RB | en_US |
dc.contributor.author | Sham, LJ | en_US |
dc.date.accessioned | 2012-11-26T08:48:59Z | - |
dc.date.available | 2012-11-26T08:48:59Z | - |
dc.date.issued | 2007 | en_US |
dc.identifier.citation | Physical Review Letters, 2007, v. 98 n. 7, article no. 077602 | - |
dc.identifier.issn | 0031-9007 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/175052 | - |
dc.description.abstract | For 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.language | eng | en_US |
dc.publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org | en_US |
dc.relation.ispartof | Physical Review Letters | en_US |
dc.title | Restoring coherence lost to a slow interacting mesoscopic spin bath | en_US |
dc.type | Article | en_US |
dc.identifier.email | Yao, W: wangyao@hku.hk | en_US |
dc.identifier.authority | Yao, W=rp00827 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1103/PhysRevLett.98.077602 | en_US |
dc.identifier.pmid | 17359060 | - |
dc.identifier.scopus | eid_2-s2.0-33846975100 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33846975100&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 98 | en_US |
dc.identifier.issue | 7 | en_US |
dc.identifier.spage | article no. 077602 | - |
dc.identifier.epage | article no. 077602 | - |
dc.identifier.isi | WOS:000244250300063 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Yao, W=35141935300 | en_US |
dc.identifier.scopusauthorid | Liu, RB=8927912500 | en_US |
dc.identifier.scopusauthorid | Sham, LJ=7006555193 | en_US |
dc.identifier.citeulike | 7232193 | - |
dc.identifier.issnl | 0031-9007 | - |