QBism and Relational Quantum Mechanics compared

  title={QBism and Relational Quantum Mechanics compared},
  author={Jacques L. Pienaar},
  journal={Foundations of Physics},
  • J. Pienaar
  • Published 31 August 2021
  • Education
  • Foundations of Physics
In this paper we compare the subjective Bayesian interpretation of quantum mechanics (QBism) [1–13] with Rovelli’s relational interpretation of quantum mechanics (RQM) [14–31]. Both interpretations are notable for endorsing the radical principle of relative facts, which holds that the question whether or not a physical quantity has been observed to take a definite value only has an answer relative to a specified observer. Although QBism and RQM are not alone in their endorsement of relative… 
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