Ultra-high-energy astroparticles as probes for Lorentz invariance violation

Rodrigo Guedes Lang, Humberto Martínez-Huerta, Vitor de Souza

Research output: Contribution to journalReview articlepeer-review


Compelling evidence for Lorentz invariance violation (LIV) would demand a complete revision of modern physics. Therefore, searching for a signal or extending the validity of the invariance is fundamental for building our understanding of the extreme phenomena in the Universe. In this paper, we review the potential of ultra-high-energy astroparticles in setting limits on LIV. The standard framework of LIV studies in astroparticle physics is reviewed and its use on the electromagnetic and hadronic sectors are discussed. In particular, the current status of LIV tests using experimental data on ultra-high-energy photons and cosmic rays is addressed. A detailed discussion with improved argumentation about the LIV kinematics of the relevant interactions is shown. The main previous results are presented together with new calculations based on recently published astrophysical models.

Original languageEnglish
Article number435
Number of pages17
Issue number8
Publication statusPublished - 22 Aug 2022

Bibliographical note

Funding Information:
VdS acknowledges FAPESP support No. 2021/01089-1 and CNPq. VdS also acknowledges the National Laboratory for Scientific Computing (LNCC/MCTI, Brazil) for providing HPC resources of the SDumont supercomputer, which have contributed to the research results reported within this paper (http://sdumont.lncc.br, accessed on 8 June 2022).

Publisher Copyright:
© 2022 by the authors.


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