Detection of the ideal resource for multiqubit teleportation

doi:10.1088/1674-1056/24/7/070302

中国物理B ›› 2015, Vol. 24 ›› Issue (7): 70302-070302.doi: 10.1088/1674-1056/24/7/070302

Detection of the ideal resource for multiqubit teleportation

赵明镜^a, 陈斌^b, 费少明^b

a Department of Mathematics, School of Science, Beijing Information Science and Technology University, Beijing 100192, China;
b School of Mathematical Sciences, Capital Normal University, Beijing 100048, China

收稿日期:2014-09-26 修回日期:2015-02-05 出版日期:2015-07-05 发布日期:2015-07-05
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11401032, 11275131, and 61473325), the Foundation of Beijing Information Science and Technology University, China (Grant No. 1425032), and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry of China.

Detection of the ideal resource for multiqubit teleportation

Zhao Ming-Jing (赵明镜)^a, Chen Bin (陈斌)^b, Fei Shao-Ming (费少明)^b

a Department of Mathematics, School of Science, Beijing Information Science and Technology University, Beijing 100192, China;
b School of Mathematical Sciences, Capital Normal University, Beijing 100048, China

Received:2014-09-26 Revised:2015-02-05 Online:2015-07-05 Published:2015-07-05
Contact: Zhao Ming-Jing E-mail:zhaomingjingde@126.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11401032, 11275131, and 61473325), the Foundation of Beijing Information Science and Technology University, China (Grant No. 1425032), and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry of China.

摘要/Abstract

摘要： We give a sufficient condition for detecting the entanglement resource for perfect multiqubit teleportation. The criterion involves only local measurements on some complementary observables and can be experimentally implemented. It is also a necessary condition for full separability of multiqubit states. Moreover, by proving the optimality of teleportation witnesses, we solve the open problem in Phys. Rev. A 86, 032315 (2012).

关键词: quantum teleportation, teleportation witness, teleportation resource

Abstract: We give a sufficient condition for detecting the entanglement resource for perfect multiqubit teleportation. The criterion involves only local measurements on some complementary observables and can be experimentally implemented. It is also a necessary condition for full separability of multiqubit states. Moreover, by proving the optimality of teleportation witnesses, we solve the open problem in Phys. Rev. A 86, 032315 (2012).

Key words: quantum teleportation, teleportation witness, teleportation resource

中图分类号: (Entanglement and quantum nonlocality)

03.65.Ud

03.67.Mn (Entanglement measures, witnesses, and other characterizations)

赵明镜, 陈斌, 费少明. Detection of the ideal resource for multiqubit teleportation[J]. 中国物理B, 2015, 24(7): 70302-070302.

Zhao Ming-Jing (赵明镜), Chen Bin (陈斌), Fei Shao-Ming (费少明). Detection of the ideal resource for multiqubit teleportation[J]. Chin. Phys. B, 2015, 24(7): 70302-070302.

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Detection of the ideal resource for multiqubit teleportation

Detection of the ideal resource for multiqubit teleportation

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