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Pré-Publication, Document De Travail Année : 2023

On the measurement problems in (relativistic) quantum mechanics

Antoine Soulas

Résumé

We explore the main issues that appear in (relativistic) quantum mechanics relative to the imple- mentation of measurements. This approach reveals how fruitful these topics are for theoretical physics. Endeavoring to formulate an exhaustive solution to the measurement problem leads us to a better under- standing of the status of the collapse and of the emergence of classicality, thanks to a precise definition of the measurement and some new vocabulary to speak of quantum mechanics and decoherence. When the relativistic constraints are added, a consistency condition constraining any relativistic quantum theory is formulated, from which can be deduced the locality of physics as well as, in the context of quantum field theory, the microcausality hypothesis. Moreover, it also implies the non-measurability of fermionic fields. On the way, two different arguments are given to show that a deterministic theory superseding quantum mechanics can not be formulated.
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Dates et versions

hal-04056859 , version 1 (03-04-2023)
hal-04056859 , version 2 (07-09-2023)

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Paternité - Pas d'utilisation commerciale

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Antoine Soulas. On the measurement problems in (relativistic) quantum mechanics. 2023. ⟨hal-04056859v1⟩
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