Journal
OPTICS COMMUNICATIONS
Volume 282, Issue 4, Pages 670-673Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2008.10.051
Keywords
Controlled teleportation; Controlled dense coding; Cavity QED
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Funding
- Hunan Provincial Education Department, China [08c343]
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We present a simple scheme for implementing perfect controlled teleportation and dense coding with the genuine pentaqubit entangled state proposed by [I.D.K. Brown, S. Stepney, A. Sudbery, S.L. Braunstein, J. Phys. A: Math. Gen. 38 (2005) 1119]. In cavity QED, we have proposed to prepare the Brown state and demonstrated the feasibility of this scheme. The distinct feature of this scheme is that it is insensitive to both the cavity decay and the thermal field, which is of importance in view of experiment. (c) 2008 Elsevier B.V. All rights reserved.
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