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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 9 — Sep. 1, 2010
  • pp: 1799–1803

Quantum discord induced by white noises

Jia-sen Jin, Chang-shui Yu, Pei Pei, and He-shan Song  »View Author Affiliations


JOSA B, Vol. 27, Issue 9, pp. 1799-1803 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001799


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Abstract

We discuss the creation of quantum discord between two two-level atoms trapped in an optical cavity in a noisy environment. It is shown that nonzero steady-state quantum discord between atoms can be obtained when the white-noise field is separately imposed on atoms or cavity mode, while the steady-state quantum discord reaches zero if both cavity mode and atoms are driven simultaneously by white-noise fields. In particular, we demonstrate that white-noise field in different cases can play a variously constructive role in the generation of quantum discord.

© 2010 Optical Society of America

OCIS Codes
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: May 28, 2010
Revised Manuscript: July 15, 2010
Manuscript Accepted: July 15, 2010
Published: August 12, 2010

Citation
Jia-sen Jin, Chang-shui Yu, Pei Pei, and He-shan Song, "Quantum discord induced by white noises," J. Opt. Soc. Am. B 27, 1799-1803 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-9-1799

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