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利用优化理论实现量子局域纯态转化

Local Conversion in Pure States by the Theory of Majorization
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摘要 利用优化理论实现了量子局域纯态转化,详细给出了其中用到的双随机矩阵的求解过程,求出了这个双随机矩阵的通解,构造了两种不同的正定算符值测量(POVM)算子方案来实现局域纯态转化。这样我们把优化理论在局域纯态转化中的应用做了进一步的完善和延伸,为这种理论的进一步推广和实验上的实现奠定了基础。 Abstract: The authors realize the local conversion in pure states in the light the theory of majorization. Thepaper gives the general solution of doubly stochastic matrix used in the local conversion in pure state. In addition, two different POVM schemes are discussed in detail.
出处 《量子光学学报》 CSCD 北大核心 2007年第4期258-262,共5页 Journal of Quantum Optics
基金 国家自然科学基金(编号:10404007) 广东省自然科学基金(编号:06029431)
关键词 纯态转化 优化理论 POVM conversion in pure states theory of majorization POVM
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