Biased nonlocal quantum games
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We address the question of when quantum entanglement is a useful resource for information processing tasks by presenting a new class of nonlocal games that are simple, direct, generalizations of the Clauser Horne Shimony Holt game. For some ranges of the parameters that specify the games, quantum mechanics offers an advantage, while, surprisingly, for others quantum mechanics is no more powerful than classical mechanics in performing the nonlocal task. This sheds new light on the difference between classical, quantum and super-quantum correlations.
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Cited by 3 Pith papers
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Explicit sequential unsharp measurement model for DI-QKD attacks that preserves Bell violation and reproduces features of collective attacks in certain parameter regimes.
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