Environment-induced sudden death of entanglement |
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| Authors: | Almeida M P de Melo F Hor-Meyll M Salles A Walborn S P Ribeiro P H Souto Davidovich L |
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| Institution: | Instituto de Física, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, Rio de Janeiro RJ 21941-972, Brazil. |
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| Abstract: | We demonstrate the difference between local, single-particle dynamics and global dynamics of entangled quantum systems coupled to independent environments. Using an all-optical experimental setup, we showed that, even when the environment-induced decay of each system is asymptotic, quantum entanglement may suddenly disappear. This "sudden death" constitutes yet another distinct and counterintuitive trait of entanglement. |
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