Multi-impurity effects on the entanglement of anisotropic Heisenberg ring XXZ under a homogeneous magnetic field
Chinese Optics Letters, Vol. 5, Issue 2, pp. 111-113 (2007)
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Abstract
The effects of multi-impurity on the entanglement of anisotropic Heisenberg ring XXZ under a homogeneous magnetic field are studied. The impurities make the equal pairwise entanglement in a ring compete with each other so that the pairwise entanglement exhibits oscillation. If the impurities are of larger couplings, both the critical temperature and pairwise entanglement can be improved.
© 2007 Chinese Optics Letters
OCIS Codes
(000.1600) General : Classical and quantum physics
(000.6800) General : Theoretical physics
(270.0270) Quantum optics : Quantum optics
Citation
Wenbin Gao, Guohui Yang, and Ling Zhou, "Multi-impurity effects on the entanglement of anisotropic Heisenberg ring XXZ under a homogeneous magnetic field," Chin. Opt. Lett. 5, 111-113 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-2-111
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