Recovering quantum correlations from amplitude damping decoherence by weak measurement reversal

Recovering quantum correlations from amplitude damping decoherence by weak measurement reversal We consider a weak measurement reversal proposal to recover quantum correlations of two-qubit system under local amplitude damping channels. With weak measurement reversal, we show that quantum correlations do not vanish but preserve a finite value in the limit of the noise strength $$p\rightarrow 1$$ , which can be attributed to the probabilistic nature of this method. The experimental feasibility of this approach is also discussed in pure optical systems. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Recovering quantum correlations from amplitude damping decoherence by weak measurement reversal

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Publisher
Springer Journals
Copyright
Copyright © 2013 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/s11128-013-0585-x
Publisher site
See Article on Publisher Site

Abstract

We consider a weak measurement reversal proposal to recover quantum correlations of two-qubit system under local amplitude damping channels. With weak measurement reversal, we show that quantum correlations do not vanish but preserve a finite value in the limit of the noise strength $$p\rightarrow 1$$ , which can be attributed to the probabilistic nature of this method. The experimental feasibility of this approach is also discussed in pure optical systems.

Journal

Quantum Information ProcessingSpringer Journals

Published: May 11, 2013

References

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