Violation of Clauser-Horne-Shimony-Holt inequality for states resulting from entanglement swapping |
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| Authors: | Antoni Wójcik Andrzej Grudka Miko?aj Czechlewski |
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| Institution: | a Faculty of Physics, Adam Mickiewicz University, ul. Umultowska 85, 61-614 Poznań, Poland
b National Quantum Information Centre of Gdańsk, ul. W?adys?awa Andersa 27, 81-824 Sopot, Poland |
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| Abstract: | We consider violation of CHSH inequality for states before and after entanglement swapping. We present a pair of initial states which do not violate CHSH inequality however the final state violates CHSH inequality for some results of Bell measurement performed in order to swap entanglement. |
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