Relative Information, Relative Facts

Fuente: arXiv
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Main Authors: Di Biagio, Andrea, Rovelli, Carlo
Format: Preprint
Published: 2025
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author Di Biagio, Andrea
Rovelli, Carlo
author_facet Di Biagio, Andrea
Rovelli, Carlo
contents We offer a fresh perspective on the relational interpretation of quantum mechanics as a way of thinking about the world described by quantum theory based on quantifiable notions of information. This allows us to provide a definition of a relative fact, with no addition to orthodox quantum theory and no fundamentally special role for observers. By associating perspectives with commutative observables rather than entire quantum systems, several previous problems with the interpretation are dissolved. As a side result, we show how a quantum measurement, properly described, is a continuous process.
format Preprint
id arxiv_https___arxiv_org_abs_2510_11349
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Relative Information, Relative Facts
Di Biagio, Andrea
Rovelli, Carlo
Quantum Physics
History and Philosophy of Physics
We offer a fresh perspective on the relational interpretation of quantum mechanics as a way of thinking about the world described by quantum theory based on quantifiable notions of information. This allows us to provide a definition of a relative fact, with no addition to orthodox quantum theory and no fundamentally special role for observers. By associating perspectives with commutative observables rather than entire quantum systems, several previous problems with the interpretation are dissolved. As a side result, we show how a quantum measurement, properly described, is a continuous process.
title Relative Information, Relative Facts
topic Quantum Physics
History and Philosophy of Physics
url https://arxiv.org/abs/2510.11349