Extracting an arbitrary relative phase from a multiqubit two-component entangled state

被引：3

作者：

Yang, CP ^{[1
]}

Han, SY ^{[1
]}

机构：

[1] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

来源：

PHYSICAL REVIEW A | 2005年 / 72卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevA.72.014306

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that an arbitrary relative phase can be extracted from a multiqubit two-component (MTC) entangled state by local Hadamard transformations and measurements along a single basis only. In addition, how to distinguish a MTC entangled state with an arbitrary entanglement degree and relative phase from a class of multiqubit mixed states is discussed.

引用

页数：4

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