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Quantum Information Processing
Published in: Quantum Information Processing 4/2018

01-04-2018

Concurrence of three Jaynes–Cummings systems

Authors: Wen-Chao Qiang, Guo-Hua Sun, Qian Dong, Oscar Camacho-Nieto, Shi-Hai Dong

Published in: Quantum Information Processing | Issue 4/2018

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Abstract

We apply genuine multipartite concurrence to investigate entanglement properties of three Jaynes–Cummings systems. Three atoms are initially put in GHZ-like state and locally interact with three independent cavities, respectively. We present analytical concurrence expressions for various subsystems including three-atom, three-cavity and some atom-cavity mixed systems. We also examine the global system and illustrate the evolution of its concurrence. Except for the sudden death of entanglement, we find for some initial entanglement parameter \(\theta \), the concurrence of the global system may maintain unchanged in some time intervals.
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Metadata
Title
Concurrence of three Jaynes–Cummings systems
Authors
Wen-Chao Qiang
Guo-Hua Sun
Qian Dong
Oscar Camacho-Nieto
Shi-Hai Dong
Publication date
01-04-2018
Publisher
Springer US
Published in
Quantum Information Processing / Issue 4/2018
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-018-1851-8

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