International Journal of Theoretical Physics

, Volume 33, Issue 1, pp 199–212 | Cite as

The joint measurement problem

  • Jos Uffink


According to orthodox quantum theory, the joint measurement of noncommuting observables is impossible. It has been claimed recently that such joint measurements are admitted in a generalized formalism for quantum theory developed by Ludwig and Davies, by means of so-called ‘unsharp observables.’ It is argued in this paper that this claim has not been substantiated.


Field Theory Elementary Particle Quantum Field Theory Quantum Theory Measurement Problem 
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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • Jos Uffink
    • 1
  1. 1.Foundations of ScienceUniversiteit UtrechtUtrechtThe Netherlands

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