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Open AccessArticle

Generalized Remote Preparation of Arbitrary m-qubit Entangled States via Genuine Entanglements

by Dong Wang 1,2,3,*, Ross D. Hoehn 2, Liu Ye 1 and Sabre Kais 2,4
1
School of Physics & Material Science, Anhui University, Hefei 230601, China
2
Department of Chemistry and Birck Nanotechnology Center, Purdue University,West Lafayette, IN 47907, USA
3
National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
4
Qatar Environment and Energy Research Institute, Qatar Foundation, Doha, 5825 Qatar
*
Author to whom correspondence should be addressed.
Academic Editor: Scarfone Antonio
Entropy 2015, 17(4), 1755-1774; https://doi.org/10.3390/e17041755
Received: 21 January 2015 / Revised: 17 March 2015 / Accepted: 26 March 2015 / Published: 30 March 2015
(This article belongs to the Special Issue Quantum Computation and Information: Multi-Particle Aspects)
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. View Full-Text
Keywords: quantum communication; remote state preparation; entangled state; collective unitary operation; success probability quantum communication; remote state preparation; entangled state; collective unitary operation; success probability
MDPI and ACS Style

Wang, D.; Hoehn, R.D.; Ye, L.; Kais, S. Generalized Remote Preparation of Arbitrary m-qubit Entangled States via Genuine Entanglements. Entropy 2015, 17, 1755-1774.

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