Highly efficient remote preparation of an arbitrary three-qubit state via a four-qubit cluster state and an EPR state

Highly efficient remote preparation of an arbitrary three-qubit state via a four-qubit cluster... An efficient protocol for remotely preparing an arbitrary three-qubit state is devised with a four-qubit cluster state and an Einstein–Podolsky–Rosen state as the shared quantum resource. Using an appropriate set of eight-qubit mutually orthogonal measurement basis, the remote three-qubit preparation is successfully completed with the probability of $${\frac{1}{8}}$$ in general case. Then to achieve our concerns of improving the probability of this protocol, some special ensembles of three-qubit states are minutely investigated. As a result, it is shown that the total probability of the RSP protocol, in these particular cases, can be improved to $${\frac{1}{4}}$$ and $${\frac{1}{2}}$$ , respectively, or even that the RSP protocol can be realized with unit success probability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Highly efficient remote preparation of an arbitrary three-qubit state via a four-qubit cluster state and an EPR state

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Springer US
Copyright © 2012 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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