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Collapse Theories as Beable Theories

Bacciagaluppi, Guido (2010) Collapse Theories as Beable Theories. Manuscrito, 33 (1). pp. 19-54.

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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 or Volume
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 13:05
Last Modified: 05 Nov 2011 13:05
Item ID: 8876
Journal or Publication Title: Manuscrito
Subjects: Specific Sciences > Physics > Quantum Mechanics
Date: 2010
Page Range: pp. 19-54
Volume: 33
Number: 1

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