Chapter

The Directions of Branching and the Direction of Time

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/9780199546961.003.0012
The Directions of Branching and the Direction of Time

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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

Chapter.  13995 words. 

Subjects: Philosophy of Science

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