Non-classicality thresholds for multiqubit states - numerical analysis - Quantum PhysicsReport as inadecuate




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Abstract: States that strongly violate Bell-s inequalities are required in many quantuminformational protocols as, for example, in cryptography, secret sharing andthe reduction of communication complexity. We investigate families of suchstates with a numerical method which allows to reveal non-classicality evenwithout direct knowledge of Bell-s inequalities for the given problem. Anextensive set of numerical results is presented and discussed.



Author: Jacek Gruca, Wieslaw Laskowski, Marek Zukowski, Nikolai Kiesel, Witlef Wieczorek, Christian Schmid, Harald Weinfurter

Source: https://arxiv.org/







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