Entanglement of three-qubit pure states in terms of teleportation capability

被引：30

作者：

Lee, SJ ^{[1
]}

Joo, JW

Kim, JW

机构：

[1] Kyung Hee Univ, Dept Math, Seoul 130701, South Korea

[2] Kyung Hee Univ, Res Inst Basic Sci, Seoul 130701, South Korea

[3] Univ London Imperial Coll Sci & Technol, Blackett Lab, London SW7 2BW, England

[4] Korea Inst Adv Study, Sch Computat Sci, Seoul 130722, South Korea

来源：

PHYSICAL REVIEW A | 2005年 / 72卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.72.024302

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We define an entanglement measure, called the partial tangle, which represents the residual two-qubit entanglement of a three-qubit pure state. By its explicit calculations for three-qubit pure states, we show that the partial tangle is closely related to the faithfulness of a teleportation scheme over a three-qubit pure state.

引用

页数：4

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