Chapter

The Emergence of Multiplicity

David Wallace

in The Emergent Multiverse

Published in print May 2012 | ISBN: 9780199546961
Published online September 2012 | e-ISBN: 9780191741418 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199546961.003.0003
The Emergence of Multiplicity

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The aim of this chapter is to explain how the ‘many worlds’ of the Everett interpretation can emerge from the underlying physics of quantum theory, without being put in by hand at the microscopic level. The discussion is conceptually focussed: in the main the chapter is concerned with sketching the way in which higher-level ontology emerges, in general, from lower-level scientific theories. When this general framework is applied to quantum theory in particular, the chapter shows that it leads to a continual branching of physical reality at the emergent, macroscopic level.

Keywords: Everett interpretation; many worlds; emergence; higher-level ontology

Chapter.  7124 words.  Illustrated.

Subjects: Philosophy of Science

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