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The Emergent MultiverseQuantum Theory according to the Everett Interpretation$
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David Wallace

Print publication date: 2012

Print ISBN-13: 9780199546961

Published to Oxford Scholarship Online: September 2012

DOI: 10.1093/acprof:oso/9780199546961.001.0001

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The Directions of Branching and the Direction of Time

The Directions of Branching and the Direction of Time

(p.324) 9 The Directions of Branching and the Direction of Time
The Emergent Multiverse

David Wallace

Oxford University Press

quantum-mechanical branching is a time-directed process, while the underlying equations of quantum theory admit no preferred direction of time. The chapter demonstrates that this apparent incompatibility is an aspect of the better-known apparent incompatibility between the directedness in time of statistical mechanics and the underlying time-symmeric microphysics. The chapter sketches a unified way of resolving this apparent incompatibility, related to but distinct from the currently-popular idea of a ‘past hypothesis’.

Keywords:   Everett interpretation, many worlds, direction of time, statistical mechanics, Past Hypothesis

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