Wallace, David (2001) Worlds in the Everett Interpretation. [Preprint]

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Abstract

This is a discussion of how we can understand the world-view given to us by the Everett interpretation of quantum mechanics, and in particular the role played by the concept of `world'. The view presented is that we are entitled to use `many-worlds' terminology even if the theory does not specify the worlds in the formalism; this is defended by means of an extensive analogy with the concept of an `instant' or moment of time in relativity, with the lack of a preferred foliation of spacetime being compared with the lack of a preferred basis in quantum theory. Implications for identity of worlds over time, and for relativistic quantum mechanics, are discussed.

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Item Type:	Preprint
Creators:	Creators Email ORCID Wallace, David
Keywords:	Interpretation of Quantum Mechanics Everett interpretation Preferred Basis Decoherence Spacetime Foliation
Subjects:	Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Relativity Theory
Depositing User:	Professor David Wallace
Date Deposited:	20 Mar 2001
Last Modified:	07 Oct 2010 15:10
Item ID:	208
Subjects:	Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Relativity Theory
Date:	March 2001
URI:	https://philsci-archive.pitt.edu/id/eprint/208

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