Single-Qubit Operation Sharing with Bell and W Product States

Two tripartite schemes are put forward with shared entanglements and Local Operation and Classical Communication (LOCC) for sharing an operation on a remote target sate. The first scheme uses a Bell and a symmetric W states as quantum channels, while the second replaces the symmetric W state by an a...

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Bibliographic Details
Published in:Communications in theoretical physics 2013-08, Vol.60 (2), p.165-170
Main Authors: Ji, Qi-Bin, Liu, Yi-Min, Liu, Xian-Song, Yin, Xiao-Feng, Zhang, Zhan-Jun
Format: Article
Language:English
Subjects:
Asymmetry
Bells
Channels
Complexity
Consumption
Entanglement
Symmetry
Theoretical physics
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Summary:Two tripartite schemes are put forward with shared entanglements and Local Operation and Classical Communication (LOCC) for sharing an operation on a remote target sate. The first scheme uses a Bell and a symmetric W states as quantum channels, while the second replaces the symmetric W state by an asymmetric one. Both schemes are treated and compared from the aspects of quantum resource consumption, operation complexity, classical resource consumption, success probability and efficiency. It is found that the latter scheme is better than the former one. Particularly, the sharing can be achieved only probabilistically with the first scheme deterministically with the second one.
ISSN:0253-6102
1572-9494
DOI:10.1088/0253-6102/60/2/04