Entanglement sudden death in the presence of quantum decoherence in non-inertial frames: beyond the single-mode approximation

Entanglement sudden death in the presence of quantum decoherence in non-inertial frames: beyond... The entanglement behavior of Dirac field under quantum decoherence in the non-inertial frames is studied beyond the single-mode approximation. Two kinds of damping processes, amplitude damping channel and dephasing channel, are investigated as the sources of decoherence. The decoherence and Unruh effect will lead to entanglement degradation. This study demonstrates that as two observers experience the decoherence, the entanglement sudden death will occur in amplitude damping channel. Our study shows that the entanglement sudden death will occur in the presence of Unruh effect accompanying the decoherence. In addition, our results show that the amplitude damping channel has more remarkable impacts than the dephasing channel. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Entanglement sudden death in the presence of quantum decoherence in non-inertial frames: beyond the single-mode approximation

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-014-0742-x
Publisher site
See Article on Publisher Site

Abstract

The entanglement behavior of Dirac field under quantum decoherence in the non-inertial frames is studied beyond the single-mode approximation. Two kinds of damping processes, amplitude damping channel and dephasing channel, are investigated as the sources of decoherence. The decoherence and Unruh effect will lead to entanglement degradation. This study demonstrates that as two observers experience the decoherence, the entanglement sudden death will occur in amplitude damping channel. Our study shows that the entanglement sudden death will occur in the presence of Unruh effect accompanying the decoherence. In addition, our results show that the amplitude damping channel has more remarkable impacts than the dephasing channel.

Journal

Quantum Information ProcessingSpringer Journals

Published: Mar 18, 2014

References

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