Probabilistic cloning and orthogonal complementing of an unknown EPR state

Chao Han, Wei Song, Ming Yang and Zhuo-Liang Cao

Physica A: Statistical Mechanics and its Applications, 2005, vol. 354, issue C, 220-226

Abstract: In this paper a novel scheme is proposed where with the help of Victor (a state preparer) an unknown EPR pair is copied in a certain probability so that three parties of communication can obtain the EPR state, respectively. The first stage of this scheme is to teleport an unknown EPR state to Carla (one receiver). The second stage of this scheme, Alice (a sender) and Bob (the other receiver) get the same EPR pair or an orthogonal-complement copy of the EPR pair with the help of Victor.

Keywords: Quantum cloning; Quantum teleportation; Quantum entanglement; Unitary transformation (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:354:y:2005:i:c:p:220-226

DOI: 10.1016/j.physa.2005.02.052

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