generalized remote preparation of arbitrary m-qubit entangled states via genuine entanglements

generalized remote preparation of arbitrary m-qubit entangled states via genuine entanglements

;Dong Wang;Ross D. Hoehn;Liu Ye;Sabre Kais
European journal of medicinal chemistry 2015 Vol. 17 pp. 1755-1774
114
wang2015entropygeneralized

Abstract

Herein, we present a feasible, general protocol for quantum communication within a network via generalized remote preparation of an arbitrary m-qubit entangled state designed with genuine tripartite Greenberger–Horne–Zeilinger-type entangled resources. During the implementations, we construct novel collective unitary operations; these operations are tasked with performing the necessary phase transfers during remote state preparations. We have distilled our implementation methods into a five-step procedure, which can be used to faithfully recover the desired state during transfer. Compared to previous existing schemes, our methodology features a greatly increased success probability. After the consumption of auxiliary qubits and the performance of collective unitary operations, the probability of successful state transfer is increased four-fold and eight-fold for arbitrary two- and three-qubit entanglements when compared to other methods within the literature, respectively. We conclude this paper with a discussion of the presented scheme for state preparation, including: success probabilities, reducibility and generalizability.

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Ref Key: wang2015entropygeneralized
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247704
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