Controlled remote state preparation of arbitrary two and three qubit states via the Brown state

Controlled remote state preparation of arbitrary two and three qubit states via the Brown state In this paper, several new protocols for the controlled remote state preparation (CRSP) by using the Brown state as the quantum channel are proposed. Firstly, we propose a CRSP protocol of an arbitrary two qubit state. Then, the CRSP protocol of an arbitrary three qubit state, which has rarely been considered by the previous papers, is investigated. The coefficients of the prepared states can be not only real, but also complex. To design these protocols, some useful and general measurement bases are constructed, which can greatly reduce the restrictions for the coefficients of the prepared states. The security analysis is provided in detail. Moreover, receiver’s all recovery operations are summarized into a concise formula. Quantum Information Processing Springer Journals

Controlled remote state preparation of arbitrary two and three qubit states via the Brown state

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Springer US
Copyright © 2011 by Springer Science+Business Media, LLC
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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  • Joint remote state preparation via w and w-type states
    An, N.B.

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