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Characterizing quantum theory in terms of information-theoretic constraints

Bub, Jeffrey and Clifton, Rob and Halvorson, Hans (2002) Characterizing quantum theory in terms of information-theoretic constraints. [Preprint]

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      We show that three fundamental information-theoretic constraints -- the impossibility of superluminal information transfer between two physical systems by performing measurements on one of them, the impossibility of broadcasting the information contained in an unknown physical state, and the impossibility of unconditionally secure bit commitment -- suffice to entail that the observables and state space of a physical theory are quantum-mechanical. We demonstrate the converse derivation in part, and consider the implications of alternative answers to a remaining open question about nonlocality and bit commitment.

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      Item Type: Preprint
      Keywords: quantum information, entanglement, nonlocality, algebraic quantum theory
      Subjects: Specific Sciences > Physics > Quantum Mechanics
      Depositing User: Hans Halvorson
      Date Deposited: 18 Nov 2002
      Last Modified: 07 Oct 2010 11:11
      Item ID: 887

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