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Decoherence of genuine multipartite entanglement for local non-Markovian-Lorentzian reservoirs |
Mazhar Ali |
Department of Electrical Engineering, Faculty of Engineering, Islamic University in Madinah, Madinah 107, Kingdom of Saudi Arabia |
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Abstract We study decoherence effects on genuine multipartite entanglement for three and four qubits, spatially separated and subjected to local Lorentzian reservoirs. Employing recent techniques to compute genuine negativity for multipartite systems and an exact solvable model, we analyze the dynamics of genuine entanglement for different coupling bandwidths and detunings. We find that collapses and revivals can occur by varying these parameters for various multipartite quantum states.
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Received: 10 June 2015
Revised: 17 August 2015
Accepted manuscript online:
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PACS:
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03.65.Yz
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(Decoherence; open systems; quantum statistical methods)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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Corresponding Authors:
Mazhar Ali
E-mail: mazharaliawan@yahoo.com
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Cite this article:
Mazhar Ali Decoherence of genuine multipartite entanglement for local non-Markovian-Lorentzian reservoirs 2015 Chin. Phys. B 24 120303
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