A Classical Formulation of Quantum Theory?

Autor:	William F. Braasch, William K. Wootters
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	Wigner function qubit quasiprobability epistemic restriction quantum reconstruction phase space Science Astrophysics QB460-466 Physics QC1-999
Zdroj:	Entropy, Vol 24, Iss 1, p 137 (2022)
Druh dokumentu:	article
ISSN:	1099-4300
DOI:	10.3390/e24010137
Popis:	We explore a particular way of reformulating quantum theory in classical terms, starting with phase space rather than Hilbert space, and with actual probability distributions rather than quasiprobabilities. The classical picture we start with is epistemically restricted, in the spirit of a model introduced by Spekkens. We obtain quantum theory only by combining a collection of restricted classical pictures. Our main challenge in this paper is to find a simple way of characterizing the allowed sets of classical pictures. We present one promising approach to this problem and show how it works out for the case of a single qubit.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/9583aae91d20456aacf1c2b42df95692 Zobrazit plný text záznamu View record in DOAJ Plný text ve formátu PDF Plný text ve formátu HTML
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