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Entanglement, Upper Probabilities and Decoherence in Quantum Mechanics

Hartmann, Stephan and Suppes, Patrick (2009) Entanglement, Upper Probabilities and Decoherence in Quantum Mechanics. [Preprint]


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Computation of decay time for entangled quantum systems is an important aspect of decoherence theories. Here we explore this topic from the standpoint of computing the decay time to the existence of a joint probability distribution of the entangled particles – atoms, in our case. We also analyze the problem from the viewpoint of the decay of an improper upper probability distribution, for the entangled particles and its continuous decay into a proper probability distribution. A standard quantum decoherence model and the upper-probability model have, it turns out, the same expected decay time for a familiar example of a system with a Bell state.

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Item Type: Preprint
Hartmann, Stephan
Suppes, Patrick
Additional Information: To appear in M. Dorato, M. Rédei and M. Suárez (eds), EPSA 2007: Launch of the European Philosophy of Science Association (Springer 2009).
Keywords: Decoherence, upper probabilities, Bell states
Subjects: Specific Sciences > Probability/Statistics
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Stephan Hartmann
Date Deposited: 27 Jun 2009
Last Modified: 04 Sep 2011 19:39
Item ID: 4734

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