Towards ψ-epistemic quantum gravity

In And now for something completely different: the Elementary Process Theory. Revised, updated and extended 2nd edition of the dissertation with almost the same title. Utrecht: Eburon Academic Publishers. pp. 288-311 (2022)
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This self-contained letter shows how ψ-epistemic quantum gravity (QG), that is, QG with a ψ-epistemic interpretation of quantum theory, in principle obtains from a deterministic model of the Elementary Process Theory (EPT) that describes an individual process at supersmall (Planck) scale by which a predominantly gravitational interaction takes place. While both ψ-epistemic QG and the model of the EPT remain to be formulated rigorously, this shows how the probabilistic nature of our knowledge of the physical world emerges in a strictly deterministic universe--God does not play dice, it is our knowledge of the outcome of a process that is fundamentally probabilistic. Edit: a completely worked-out and majorly revised version of this letter-type preprint has been published as a book chapter.



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Marcoen J. T. F. Cabbolet
Vrije Universiteit Brussel

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