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Collapse Theories as Beable Theories

Bacciagaluppi, Guido (2010) Collapse Theories as Beable Theories. [Published Article]

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    I discuss the interpretation of spontaneous collapse theories, with particular reference to Bell's suggestion that the stochastic jumps in the evolution of the wave function should be considered as local beables of the theory. I develop this analogy in some detail for the case of non-relativistic GRW-type theories, using a generalisation of Bell's notion of beables to POV measures. In the context of CSL-type theories, this strategy appears to fail, and I discuss instead Ghirardi and co-workers' mass-density interpretation and its relation to Schroedinger's original charge-density interpretation. This discussion is extended to relativistic CSL-type theories. A few remarks on Everett's interpretation conclude the paper.

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    Item Type: Published Article
    Additional Information: Contribution to a special issue edited by Décio Krause and Otavio Bueno.
    Keywords: quantum mechanics, collapse theories, beable theories, Bell, Schroedinger
    Subjects: Specific Sciences > Physics > Quantum Mechanics
    Depositing User: Guido Bacciagaluppi
    Date Deposited: 05 Nov 2011 09:05
    Last Modified: 05 Nov 2011 09:05
    Item ID: 8876
    Journal or Publication Title: Manuscrito

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