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20 April 2024

» arxiv » 1603.9119

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Time-invariant entanglement and sudden death of non-locality
Bi-Heng Liu ; Xiao-Min Hu ; Jiang-Shan Chen ; Chao Zhang ; Yun-Feng Huang ; Chuan-Feng Li ; Guang-Can Guo ; Göktuğ Karpat ; Felipe F. Fanchini ; Jyrki Piilo ; Sabrina Maniscalco ;
Date:	30 Mar 2016
Abstract:	We investigate both theoretically and experimentally the dynamics of entanglement and non-locality for two qubits immersed in a global pure dephasing environment. We demonstrate the existence of a class of states for which entanglement is forever frozen during the dynamics, even if the state of the system does evolve. At the same time non-local correlations, quantified by the violation of the Clauser-Horne-Shimony-Holt (CHSH) inequality, either undergo sudden death or are trapped during the dynamics.
Source:	arXiv, 1603.9119
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