Nondestructive and complete Bell-state analysis for atomic qubit systems

doi:10.1088/1674-1056/19/9/090310

中国物理B ›› 2010, Vol. 19 ›› Issue (9): 90310-090310.doi: 10.1088/1674-1056/19/9/090310

Nondestructive and complete Bell-state analysis for atomic qubit systems

何勇, 姜年权

College of Physics and Electric Information, Wenzhou University, Wenzhou 325035, China

收稿日期:2009-12-02 修回日期:2010-01-05 出版日期:2010-09-15 发布日期:2010-09-15
基金资助:
Project supported by the Special Funds of the National Natural Science Foundation of China (Grant No. 10947017/A05).

Nondestructive and complete Bell-state analysis for atomic qubit systems

He Yong(何勇) and Jiang Nian-Quan(姜年权)^†

College of Physics and Electric Information, Wenzhou University, Wenzhou 325035, China

Received:2009-12-02 Revised:2010-01-05 Online:2010-09-15 Published:2010-09-15
Supported by:
Project supported by the Special Funds of the National Natural Science Foundation of China (Grant No. 10947017/A05).

摘要/Abstract

摘要： This paper realizes a nondestructive and complete Bell-state analysis for atomic qubit systems by a designed nondestructive and complete Bell-state analyser. In the scheme, Bell states are completely discriminated by two bits of classical informations which comes from the locality single atom detection on two auxiliary atoms, during which the Bell states are not affected. The needed devices are well within the bounds of current technology, and then the scheme is experimentally feasible.

Abstract: This paper realizes a nondestructive and complete Bell-state analysis for atomic qubit systems by a designed nondestructive and complete Bell-state analyser. In the scheme, Bell states are completely discriminated by two bits of classical informations which comes from the locality single atom detection on two auxiliary atoms, during which the Bell states are not affected. The needed devices are well within the bounds of current technology, and then the scheme is experimentally feasible.

Key words: Bell-state analysis, three-qubit entangling gate, cavity quantum electrodynamics

中图分类号:

0365

何勇, 姜年权. Nondestructive and complete Bell-state analysis for atomic qubit systems[J]. 中国物理B, 2010, 19(9): 90310-090310.

He Yong(何勇) and Jiang Nian-Quan(姜年权). Nondestructive and complete Bell-state analysis for atomic qubit systems[J]. Chin. Phys. B, 2010, 19(9): 90310-090310.

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Nondestructive and complete Bell-state analysis for atomic qubit systems

Nondestructive and complete Bell-state analysis for atomic qubit systems

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