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On the Common Structure of Bohmian Mechanics and the Ghirardi-Rimini-Weber Theory

Allori, Valia and Goldstein, Sheldon and Tumulka, Roderich and Zanghi, Nino (2006) On the Common Structure of Bohmian Mechanics and the Ghirardi-Rimini-Weber Theory. [Preprint]


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Bohmian mechanics and the Ghirardi-Rimini-Weber theory provide opposite resolutions of the quantum measurement problem: the former postulates additional variables (the particle positions) besides the wave function, whereas the latter implements spontaneous collapses of the wave function by a nonlinear and stochastic modification of Schrodinger's equation. Still, both theories, when understood appropriately, share the following structure: They are ultimately not about wave functions but about ``matter'' moving in space, represented by either particle trajectories, fields on space-time, or a discrete set of space-time points. The role of the wave function then is to govern the motion of the matter.

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Item Type: Preprint
Allori, Valia
Goldstein, Sheldon
Tumulka, Roderich
Zanghi, Nino
Keywords: quantum theory without observers, Bohmian mechanics, Ghirardi-Rimini-Weber theory of spontaneous wave function collapse, primitive ontology, local beables
Subjects: Specific Sciences > Physics > Quantum Mechanics
Depositing User: Roderich Tumulka
Date Deposited: 27 Jun 2006
Last Modified: 07 Oct 2010 15:14
Item ID: 2811

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