Probability in many-worlds theories

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

We consider how to define a natural probability distribution over worlds within a simple class of deterministic many-worlds theories. This can help us understand the typical properties of worlds within such states, and hence explain the empirical success of quantum theory within a many-worlds framework. We give three reasonable axioms which lead to the Born rule in the case of quantum theory, and also yield natural results in other cases, including a many-worlds variant of classical stochastic dynamics.
Original languageEnglish
Article numberA2
Pages (from-to)1-10
JournalQuantum
Volume7
Issue number971
DOIs
Publication statusPublished - 6 Apr 2023

Bibliographical note

Funding Information:
Acknowledgments. This work was supported by an

Publisher Copyright:
© 2023 The authors.

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