Why the Many-Worlds Interpretation?

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A brief (subjective) description of the state of the art of the many-worlds interpretation of quantum mechanics (MWI) is presented. It is argued that the MWI is the only interpretation which removes action at a distance and randomness from quantum theory. Limitations of the MWI regarding questions of probability which can be legitimately asked are specified. The ontological picture of the MWI as a theory of the universal wave function decomposed into a superposition of world wave functions, the important parts of which are defined in three-dimensional space, is presented from the point of view of our particular branch. Some speculations about misconceptions, which apparently prevent the MWI from being in the consensus, are mentioned.

Original languageEnglish
Pages (from-to)264-271
Number of pages8
JournalQuantum Reports
Issue number3
StatePublished - Sep 2022


  • action at a distance
  • determinism
  • interpretations of quantum mechanics
  • many-worlds interpretation


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