Three-Qubit Entanglement Sudden Death |
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| Authors: | GE Min ZHU Lin-Fan QIU Liang |
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| Institution: | 1. Hefei National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
;2. Department of Modern Physics, University of Science and
Technology of China, Hefei 230026, China |
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| Abstract: | We study entanglement dynamics of three-qubit system via negativity.
Three atoms A, B, and C interact isolatedly with their own
Jaynes-Cummings cavities a, b, and c. Aa system is prepared entangled
with Bb and Cc, however, their mutual isolations forbid Aa
interacting with system Bb and Cc. It is the same for system Bb and
Cc. We show entanglement evolution of different three-qubit
systems ABC, abc, Abc, and aBC and find entanglement sudden death effect. |
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| Keywords: | entanglement sudden death J-C models |
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