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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 5, Iss. 8 — Aug. 10, 2007
  • pp: 484–486

Entanglement dynamics of non-interacting two-qubit system under a squeezed vacuum environment

Jun Qian, Xunli Feng, and Shangqing Gong  »View Author Affiliations


Chinese Optics Letters, Vol. 5, Issue 8, pp. 484-486 (2007)


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Abstract

Entanglement dynamics of two non-interacting atoms in a squeezed vacuum reservoir is studied. Several examples with different initial entangled states are investigated, and it is found that entangled atoms become disentangled faster in squeezed vacuum than in ordinary vacuum, and larger squeezing results in faster entanglement decay. The time evolution of the concurrence and the separability "distance" 'Lambda' can be used to explain this novel entanglement sudden death phenomenon.

© 2007 Chinese Optics Letters

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states

Citation
Jun Qian, Xunli Feng, and Shangqing Gong, "Entanglement dynamics of non-interacting two-qubit system under a squeezed vacuum environment," Chin. Opt. Lett. 5, 484-486 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-8-484

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