对“干涉测量中混合态的几何相位”一文的评论
Comment on "Geometric Phases for Mixed States in Interferometry"
摘要:
我们发现,对于自旋为1/2的系统的幺正演化,在测地球面三角形上演化的情况下,乌尔曼的“纯数学混合态完整性“与最近由Sjoqvist,Pati,Ekert,Anandan,Ericsson,Oi和Vedral(Phys. Rev. Lett. 85 [2000],2845-2848)。
英文摘要:
We find for the unitary evolution of spin-1/2 systems that the "purely mathematical mixed state holonomy of Uhlmann limitedly agrees, in the case of evolution over geodesic spherical triangles, with the holonomy "in the experimental context of quantum interferometry" recently proposed by Sjoqvist, Pati, Ekert, Anandan, Ericsson, Oi and Vedral (Phys. Rev. Lett. 85 [2000], 2845-2848).
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