期刊
OPTICS COMMUNICATIONS
卷 276, 期 2, 页码 322-326出版社
ELSEVIER
DOI: 10.1016/j.optcom.2007.03.085
关键词
generalized quantum state sharing; partially entangled state; Bell-state measurement; single-qubit projective measurement
类别
We present first a three-party scheme for probabilistically implementing quantum state sharing of an arbitrary unknown two-qubit state by using two non-maximally entangled three-qubit states as the quantum channel. We show that, by choosing the appropriate performance, it is indeed possible to share an arbitrary unknown two-qubit state using partially entangled states if the parties collaborate. We then sketch the generation of the three-party scheme to N-party case. (c) 2007 Elsevier B.V. All rights reserved.
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