A scheme for implementing three-qubit quantum controlled phase gate is proposed in the trap-ion system.It only requires the resonant interaction between trapped ions and lasers.Compared to the scheme in other papers,the steps needed are much less.In addition,the scheme doesn't need any type of measurement.
【基金】
Anhui Provincial Higher Education(2008jq1118,2009SQRZ152,2010SQRL146);
Natural Science Research Project of Anhui Provincial Education Department(KJ2009B003,KJ2010B106);
Youth Program of Fuyang Normal College(2008LZ01,2008LQ04)
【更新日期】
2011-08-15
【分类号】
O431.2
【正文快照】
1 Introduetion eurrently，quantum eomputer[1]draws mueh more attention beeause of its superpower eomputationalability than the elassieal one.Despite some advaneed theoretieal eoneepts of quantum eomputing presented，there always remains a great ehallenge
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