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Decoherence Effects on the Non-locality of Symmetric States

Adel Sohbi 1, 2 Isabelle Zaquine 1, 2 Eleni Diamanti 1, 2 Damian Markham 1, 2 
1 IQA - Information Quantique et Applications
LTCI - Laboratoire Traitement et Communication de l'Information
Abstract : In this paper we analyze criteria for robustness of non-locality of symmetric states. We develop our research using the recently developed extended Hardy’s paradox non-locality test. We investigate the case of symmetric states, we show that for high numbers of qubits the non-locality of W state can tolerate high degree of noise. We also demonstrate that the choice of the bases is, in particular cases, an important criterion for robustness independently from the bases which give high violation. We also apply our techniques to a discrimination of entanglement class.
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Submitted on : Friday, September 13, 2019 - 4:21:59 PM
Last modification on : Tuesday, October 19, 2021 - 11:15:17 AM


  • HAL Id : hal-02286922, version 1



Adel Sohbi, Isabelle Zaquine, Eleni Diamanti, Damian Markham. Decoherence Effects on the Non-locality of Symmetric States. CEWQO, Jun 2014, Bruxelles, Belgium. pp.C48, 108. ⟨hal-02286922⟩



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