Quantum capacity of an amplitude-damping channel with memory

Quantum capacity of an amplitude-damping channel with memory We calculate the quantum capacity of an amplitude-damping channel with time-correlated Markov noise, for two channel uses. Our results show that memory of the channel increases its ability to transmit quantum information significantly. An upper bound on the amount of quantum information transmitted over the channel in the presence of memory, for an arbitrary number of channel uses, is also presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Quantum capacity of an amplitude-damping channel with memory

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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/s11128-014-0883-y
Publisher site
See Article on Publisher Site

Abstract

We calculate the quantum capacity of an amplitude-damping channel with time-correlated Markov noise, for two channel uses. Our results show that memory of the channel increases its ability to transmit quantum information significantly. An upper bound on the amount of quantum information transmitted over the channel in the presence of memory, for an arbitrary number of channel uses, is also presented.

Journal

Quantum Information ProcessingSpringer Journals

Published: Nov 28, 2014

References

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