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Article: Scalable quantum computation in decoherence-free subspaces with trapped ions

TitleScalable quantum computation in decoherence-free subspaces with trapped ions
Authors
KeywordsPhysics
Issue Date2006
PublisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.org
Citation
Physical Review A - Atomic, Molecular, And Optical Physics, 2006, v. 74 n. 3 How to Cite?
AbstractWe propose a decoherence-free subspace (DFS) scheme to realize scalable quantum computation with trapped ions. The spin-dependent laser-ion coupling is exploited in the presence of Coulomb interactions. A universal set of unconventional geometric quantum gates is achieved in encoded subspaces that are immune from decoherence by collective dephasing. The scalability of the scheme for an ion-array system is demonstrated, either by adiabatically switching on and off the interactions, or by a fast gate scheme with DFS encoding and noise-decoupling techniques. © 2006 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/45268
ISSN
2014 Impact Factor: 2.808
2015 SCImago Journal Rankings: 1.418
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCen, LXen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorWang, SJen_HK
dc.date.accessioned2007-10-30T06:21:23Z-
dc.date.available2007-10-30T06:21:23Z-
dc.date.issued2006en_HK
dc.identifier.citationPhysical Review A - Atomic, Molecular, And Optical Physics, 2006, v. 74 n. 3en_HK
dc.identifier.issn1050-2947en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45268-
dc.description.abstractWe propose a decoherence-free subspace (DFS) scheme to realize scalable quantum computation with trapped ions. The spin-dependent laser-ion coupling is exploited in the presence of Coulomb interactions. A universal set of unconventional geometric quantum gates is achieved in encoded subspaces that are immune from decoherence by collective dephasing. The scalability of the scheme for an ion-array system is demonstrated, either by adiabatically switching on and off the interactions, or by a fast gate scheme with DFS encoding and noise-decoupling techniques. © 2006 The American Physical Society.en_HK
dc.format.extent111558 bytes-
dc.format.extent5669 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review A (Atomic, Molecular and Optical Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleScalable quantum computation in decoherence-free subspaces with trapped ionsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1050-2947&volume=74&issue=3&spage=032321:1&epage=4&date=2006&atitle=Scalable+quantum+computation+in+decoherence-free+subspaces+with+trapped+ionsen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevA.74.032321en_HK
dc.identifier.scopuseid_2-s2.0-33748788782en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748788782&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume74en_HK
dc.identifier.issue3en_HK
dc.identifier.isiWOS:000241067100048-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCen, LX=7003547834en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridWang, SJ=7410332384en_HK

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