Probabilistic theories and reconstructions of quantum theory
نویسندگان
چکیده
These lecture notes provide a basic introduction to the framework of generalized probabilistic theories (GPTs) and sketch reconstruction quantum theory (QT) from simple operational principles. To build some intuition for how physics could be even more general than quantum, I present two conceivable phenomena beyond QT: superstrong nonlocality higher-order interference. Then introduce GPTs, generalizing both classical probability theory. Finally, summarize QT principles Tomographic Locality, Continuous Reversibility, Subspace Axiom. In particular, show why bit is described by Bloch ball, it three-dimensional, one obtains complex numbers operators usual representation QT.
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ژورنال
عنوان ژورنال: SciPost physics lecture notes
سال: 2021
ISSN: ['2590-1990']
DOI: https://doi.org/10.21468/scipostphyslectnotes.28