Bounded compactness from G(E)UP

Roberto Casadio; Ilim Irfan Çimdiker; Octavian Micu; Jonas Mureika

doi:10.48550/arXiv.2507.14703

Bounded compactness from G(E)UP

Roberto Casadio
, Ilim Irfan Çimdiker
, Octavian Micu
, Jonas Mureika

Physics

Università di Bologna
Sezione di Bologna
University of Szczecin
Institute of Space Science

Research output: Contribution to journal › Article › peer-review

Abstract

We analyse how different Generalised Uncertainty Principles could place bounds on the compactness of self-gravitating systems. By considering existing experimental bounds on the relevant parameters, we conclude that the compactness of large astrophysical objects is bounded above by the inverse of the GUP parameter, which would naturally be of order one. Conversely, the existence of black holes imposes stronger bounds on those parameters.

Original language	English
Article number	139853
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	869
DOIs	https://doi.org/10.48550/arXiv.2507.14703 https://doi.org/10.1016/j.physletb.2025.139853
State	Published - Oct 2025

ASJC Scopus Subject Areas

Nuclear and High Energy Physics

Keywords

Compactness
Generalised extended uncertainty principle
Generalised uncertainty principle
Self-gravitating systems

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Cite this

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AB - We analyse how different Generalised Uncertainty Principles could place bounds on the compactness of self-gravitating systems. By considering existing experimental bounds on the relevant parameters, we conclude that the compactness of large astrophysical objects is bounded above by the inverse of the GUP parameter, which would naturally be of order one. Conversely, the existence of black holes imposes stronger bounds on those parameters.

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KW - Generalised extended uncertainty principle

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ER -

Bounded compactness from G(E)UP

Abstract

ASJC Scopus Subject Areas

Keywords

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