Baker, David (2006) Measurement Outcomes and Probability in Everettian Quantum Mechanics. [Preprint]
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Abstract
The decision-theoretic account of probability in the Everett or many-worlds interpretation, advanced by David Deutsch and David Wallace, is shown to be circular. Talk of probability in Everett presumes the existence of a preferred basis to identify measurement outcomes for the probabilities to range over. But the existence of a preferred basis can only be established by the process of decoherence, which is itself probabilistic.
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| Item Type: | Preprint |
|---|---|
| Commentary on: | Wallace, David(2002) Quantum Probability and Decision Theory, Revisited. [Preprint] |
| Additional Information: | Forthcoming in Studies in History and Philosophy of Modern Physics. |
| Keywords: | Everett interpretation Many worlds Decoherence Probability |
| Subjects: | Specific Sciences > Probability/Statistics General Issues > Decision Theory Specific Sciences > Physics > Quantum Mechanics |
| Depositing User: | David Baker |
| Date Deposited: | 21 May 2006 |
| Last Modified: | 07 Oct 2010 11:14 |
| Item ID: | 2717 |
| URI: | http://philsci-archive.pitt.edu/id/eprint/2717 |
Commentary/Response Threads
- Wallace, DavidQuantum Probability and Decision Theory, Revisited. (deposited 18 Nov 2002)
- Baker, DavidMeasurement Outcomes and Probability in Everettian Quantum Mechanics. (deposited 21 May 2006)[Currently Displayed]
- Greaves, HilaryUnderstanding Deutsch's probability in a deterministic multiverse. (deposited 03 May 2004)
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