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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
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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.
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Published: 26 May 2014
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