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Quantum States as Informational Bridges

Healey, Richard A. (2015) Quantum States as Informational Bridges. [Preprint]

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A quantum state represents neither properties of a physical system nor anyone's knowledge of its properties. The important question is not what quantum states represent but how they are used as informational
bridges. Knowing about some physical situations (its backing conditions), an agent may assign a quantum state to form expectations about other possible physical situations (its advice conditions). Quantum states are
objective: only expectations based on correct state assignments are generally reliable. If a quantum state represents anything, it is the objective probabilistic relations between its backing conditions and its advice conditions. This paper offers an account of quantum states and their function as informational bridges, in quantum teleportation and elsewhere.

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Item Type: Preprint
Healey, Richard
Additional Information: forthcoming in Foundations of Physics.
Keywords: Quantum state, quantum information, quantum teleportation, delayed-choice entanglement swapping, EPR-Bohm correlations
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Richard Andrew Healey
Date Deposited: 03 Jan 2016 13:36
Last Modified: 03 Jan 2016 13:36
Item ID: 11846
DOI or Unique Handle:
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Quantum Mechanics
Date: 9 September 2015

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