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Causality and Nonlocality as Axioms for Quantum Mechanics

Popescu, Sandu; Rohrlich, Daniel

HPL-BRIMS-97-23

Keyword(s): foundations of quantum mechanics; nonlocality; axioms

Abstract: Quantum mechanics permits nonlocality - both nonlocal correlations and nonlocal equations of motion - while respecting relativistic causality. Is quantum mechanics the unique theory that reconciles nonlocality and causality? We consider two models, going beyond quantum mechanics, of nonlocality: "superquantum" correlations, nonlocal "jamming" of correlations. These models are consistent with some definitions of nonlocality and causality.

9 Pages

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