Characteristics of Entanglement Wave in Two Parallel Spin Chains

doi:10.1088/0256-307X/31/6/060301

Chin. Phys. Lett.

2014, Vol. 31

Issue (06): 060301 DOI: 10.1088/0256-307X/31/6/060301

GENERAL

Characteristics of Entanglement Wave in Two Parallel Spin Chains

LI Xin^**, LI Zhong-Fang, SHI Zhi-Long, WANG Xiao-Qin

Faculty of Science, Kunming University of Science and Technology, Kunming 650093

Cite this article:

LI Xin, LI Zhong-Fang, SHI Zhi-Long et al 2014 Chin. Phys. Lett. 31 060301

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Abstract Based on the solvable spin-1/2 Heisenberg chain we demonstrate how two many-body systems are entangled due to their partial entanglement. The entanglement wave in the two spin chains displays a damped oscillation if the spin number is N>3, and only propagates with a certain velocity depending on the coupling constant J. Moreover, the entanglement wave will be reflected on the other ends of the two spin chains. A simple scheme for transferring some special two-qubit states to other two distant qubits is also proposed.

Published: 26 May 2014

PACS:	03.67.Hk	(Quantum communication)
	03.67.-a	(Quantum information)
	03.67.Bg	(Entanglement production and manipulation)
	75.10.Pq	(Spin chain models)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/6/060301 OR https://cpl.iphy.ac.cn/Y2014/V31/I06/060301

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	LI Xin
	LI Zhong-Fang
	SHI Zhi-Long
	WANG Xiao-Qin

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