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Article: Scalable quantum computation in decoherence-free subspaces with trapped ions
Title | Scalable quantum computation in decoherence-free subspaces with trapped ions |
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Authors | |
Keywords | Physics |
Issue Date | 2006 |
Publisher | American 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, article no. 032321 How to Cite? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/45268 |
ISSN | 2014 Impact Factor: 2.808 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Cen, LX | en_HK |
dc.contributor.author | Wang, ZD | en_HK |
dc.contributor.author | Wang, SJ | en_HK |
dc.date.accessioned | 2007-10-30T06:21:23Z | - |
dc.date.available | 2007-10-30T06:21:23Z | - |
dc.date.issued | 2006 | en_HK |
dc.identifier.citation | Physical Review A (Atomic, Molecular and Optical Physics), 2006, v. 74 n. 3, article no. 032321 | - |
dc.identifier.issn | 1050-2947 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/45268 | - |
dc.description.abstract | We 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.extent | 111558 bytes | - |
dc.format.extent | 5669 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://pra.aps.org | en_HK |
dc.relation.ispartof | Physical Review A (Atomic, Molecular and Optical Physics) | - |
dc.rights | Copyright 2006 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevA.74.032321 | - |
dc.subject | Physics | en_HK |
dc.title | Scalable quantum computation in decoherence-free subspaces with trapped ions | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+ions | en_HK |
dc.identifier.email | Wang, ZD: zwang@hkucc.hku.hk | en_HK |
dc.identifier.authority | Wang, ZD=rp00802 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevA.74.032321 | en_HK |
dc.identifier.scopus | eid_2-s2.0-33748788782 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33748788782&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 74 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | article no. 032321 | - |
dc.identifier.epage | article no. 032321 | - |
dc.identifier.isi | WOS:000241067100048 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Cen, LX=7003547834 | en_HK |
dc.identifier.scopusauthorid | Wang, ZD=14828459100 | en_HK |
dc.identifier.scopusauthorid | Wang, SJ=7410332384 | en_HK |
dc.identifier.issnl | 1050-2947 | - |