
Published online:
20 September 2012
Published in print:
24 May 2012
Online ISBN:
9780191741418
Print ISBN:
9780199546961
Contents
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8.1 Concepts of locality 8.1 Concepts of locality
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8.2 Thinking about physical states 8.2 Thinking about physical states
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8.3 The ontology of electromagnetism 8.3 The ontology of electromagnetism
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8.4 Spacetime state realism 8.4 Spacetime state realism
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8.5 Locality 8.5 Locality
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8.5.1 Does Everettian quantum mechanics display action at a distance? 8.5.1 Does Everettian quantum mechanics display action at a distance?
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8.5.2 Does Everettian quantum mechanics display nonseparability? 8.5.2 Does Everettian quantum mechanics display nonseparability?
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8.6 The true state and the relative state 8.6 The true state and the relative state
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8.7 Aspect-type experiments in Everettian quantum theory 8.7 Aspect-type experiments in Everettian quantum theory
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8.8 A digression on metaphysics 8.8 A digression on metaphysics
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8.9 Alternatives to spacetime state realism 8.9 Alternatives to spacetime state realism
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8.9.1 Wavefunction realism 8.9.1 Wavefunction realism
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8.9.2 Quantum relationism 8.9.2 Quantum relationism
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8.9.3 Operator-valued fields 8.9.3 Operator-valued fields
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Chapter
8 8 Spacetime and the Quantum State
Get access
Pages
292–323
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Published:May 2012
Cite
Wallace, David, '8 Spacetime and the Quantum State', The Emergent Multiverse: Quantum Theory according to the Everett Interpretation (Oxford , 2012; online edn, Oxford Academic, 20 Sept. 2012), https://doi.org/10.1093/acprof:oso/9780199546961.003.0011, accessed 3 May 2025.
Abstract
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.
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