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The axiom of choice and the no-signalling principle

Autor(en)
Amin Baumeler, Borivoje Dakić, Flavio Del Santo
Abstrakt

We show that the axiom of choice, a basic yet controversial postulate of set theory, together with one of the pillars of our best physical theories, namely the no-signalling principle, may point to a limitation in modelling physical problems using standard mathematics. While it is well known that probabilistic no-signalling resources (such as quantum non-locality) are stronger than deterministic ones, we show - by invoking the axiom of choice - the opposite: functional (deterministic) no-signalling resources can be stronger than probabilistic ones (e.g. stronger than quantum entanglement or non-locality in general). To prove this, we devise a Bell-like game that shows a systematic advantage of functional no-signalling with respect to any probabilistic no-signalling resource.

Organisation(en)
Quantenoptik, Quantennanophysik und Quanteninformation
Externe Organisation(en)
Università della Svizzera Italiana, Facoltà Indipendente di Gandria, Österreichische Akademie der Wissenschaften (ÖAW), Universität Genf, Constructor University
Journal
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Band
481
Anzahl der Seiten
9
ISSN
1364-5021
DOI
https://doi.org/10.48550/arXiv.2206.08467
Publikationsdatum
07-2025
Peer-reviewed
Ja
ÖFOS 2012
103025 Quantenmechanik
Schlagwörter
ASJC Scopus Sachgebiete
Allgemeine Mathematik, Allgemeiner Maschinenbau, Allgemeine Physik und Astronomie
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/d1a787cf-cf51-4631-bf46-9bde31c99c05