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Robustness of Genuine Tripartite Entanglement under Collective Dephasing |
| MAZHAR Ali** |
| Department of Electrical Engineering, Faculty of Engineering, Islamic University in Madinah, Madinah 107, Kingdom of Saudi Arabia |
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| Cite this article: |
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MAZHAR Ali 2015 Chin. Phys. Lett. 32 060302 |
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Abstract We study the robustness of genuine multipartite entanglement for a system of three qubits under collective dephasing. Using a computable entanglement monotone for multipartite systems, we find that almost every state is quite robust under this type of decoherence. We analyze random states and weighted graph states at infinity and find all of them to be genuinely entangled.
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Received: 18 March 2015
Published: 30 June 2015
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| PACS: |
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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