Quantum indeterminacy and the eigenstate-eigenvalue link

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Abstract

Can quantum theory provide examples of metaphysical indeterminacy, indeterminacy that obtains in the world itself, independently of how one represents the world in language or thought? We provide a positive answer assuming just one constraint of orthodox quantum theory: the eigenstate-eigenvalue link. Our account adds a modal condition to preclude spurious indeterminacy in the presence of superselection sectors. No other extant account of metaphysical indeterminacy in quantum theory meets these demands.

Original languageEnglish (US)
JournalSynthese
DOIs
StateAccepted/In press - 2021

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Nature B.V.

Keywords

  • Eigenstate-eigenvalue link
  • Indeterminacy
  • Quantum logic
  • Superselection

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