Quantum Remote Control of Unitary Operations on a Qubit of Pure Entangled States

Chin. Phys. Lett.

2006, Vol. 23

Issue (3): 545-547 DOI:

Original Articles

Quantum Remote Control of Unitary Operations on a Qubit of Pure Entangled States

YAO Chun-Mei

Department of Physics and Electronic Sciences, Hunan University of Arts and Science, Changde 415000

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YAO Chun-Mei 2006 Chin. Phys. Lett. 23 545-547

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Abstract We consider the remote implementation of an arbitrary unitary operation on one qubit of a pure two-qubit entangled state with 100% efficiency via entanglement swapping in detail, then directly generalize this protocol from two-qubit to N-qubit entangled states. The overall classical information and distributed entanglement cost required for this quantum remote control protocol is less than the bi-directional quantum state teleportation method.

Keywords: 03.67.-a 03.65.Bz

Published: 01 March 2006

PACS:	03.67.-a	(Quantum information)
	03.65.Bz

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I3/0545

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