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QBism: Quantum Theory as a Hero's Handbook

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arxiv 1612.07308 v3 pith:PGYDSRF3 submitted 2016-12-21 quant-ph

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keywords quantumqbismarxivmaterialmeaningphysicsadditionsalong
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This paper represents an elaboration of the lectures delivered by one of us (CAF) during "Course 197 -- Foundations of Quantum Physics" at the International School of Physics "Enrico Fermi" in Varenna, Italy, July 2016. Much of the material for it is drawn from arXiv:1003.5209, arXiv:1401.7254, and arXiv:1405.2390. However there are substantial additions of original material in Sections 4, 7, 8 and 9, along with clarifications and expansions of the older content throughout. Topics include the meaning of subjective probability; no-cloning, teleportation, and quantum tomography from the subjectivist Bayesian perspective; the message QBism receives from Bell inequality violations (namely, that nature is creative); the import of symmetric informationally complete (SIC) quantum measurements for the technical side of QBism; quantum cosmology QBist-style; and a potential meaning for the holographic principle within QBism.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Copenhagenish interpretations of quantum mechanics

    quant-ph 2025-05 conditional novelty 6.0 of 10

    A common four-postulate definition of Copenhagenish interpretations, plus an analysis showing Wigner's friend variants force such interpretations to forbid combining certain observers' descriptions.

  2. Characterizing quantum state-space with a single quantum measurement

    quant-ph 2024-12 conditional novelty 6.0 of 10

    Quantum state-space is characterized by fixed 2-norm and 3-norm constraints for pure states and a variance lower bound for all states, using only probabilities from a single complex-projective 3-design reference measurement.

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