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Physical limits on information metrics and quantum gravity as gravitized quantum theory

2025/04/17 by Per Berglund, Andrew Geraci, Berglund, Per +7
Physics and Astronomy · #Quantum Mechanics and Applications #Statistical Mechanics and Entropy #Noncommutative and Quantum Gravity Theories

paper · pdf · doi:10.48550/arxiv.2504.12925

Abstract

There is a long history in both general relativity and quantum mechanics of removing fixed background structures, thereby making observed objects and measurement processes dynamical. We continue this evolution by combining central insights from both theories to argue that physical limits on information collection resulting from quantum gravity coupled with general covariance preclude the fixed information geometry still assumed in both information theory and quantum mechanics. As a consequence there must be a gravitized, generally covariant extension of both theories. We also propose a novel experimental test involving intrinsic triple and higher order quantum interferences that would provide evidence for dynamical information metrics and a dynamical Born rule.

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