Spacetime and the Quantum State

David Wallace

in The Emergent Multiverse

Published in print May 2012 | ISBN: 9780199546961
Published online September 2012 | e-ISBN: 9780191741418 | DOI:
Spacetime and the Quantum State

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How is the microscopic ontology of quantum mechanics to be understood according to the Everett interpretation? And how, in particular, are we to understand concepts like spatial locality in Everettian quantum mechanics? Building on joint work with Chris Timpson, the chapter develops a general approach to these questions (‘spacetime state realism’) and apply it to questions of locality and entanglement. After a digression on the general metaphysical problem of how we should think about ontology, the chapter compares this approach with others in the literature.

Keywords: Everett interpretation; many worlds; ontology of quantum theory; Bell's inequality; Aspect experiment

Chapter.  12612 words.  Illustrated.

Subjects: Philosophy of Science

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