Simulating electromagnetic cascades with Lorentz invariance violation

被引：1

作者：

Saveliev, Andrey ^{[1
,2
]}

Batista, Rafael Alves ^{[3
,4
,5
]}

机构：

[1] Immanuel Kant Balt Fed Univ, Ul A Nevskogo 14, Kaliningrad, Russia

[2] Lomonosov Moscow State Univ, GSP-1,Leninskiye Gory 1-52, Moscow, Russia

[3] Univ Autonoma Madrid, Inst Fis Teor UAM, CSIC, C Nicolas Cabrera 13-15, Madrid 28049, Spain

[4] Univ Autonoma Madrid, Dept Fis Teor, M-15, Madrid 28049, Spain

[5] Sorbonne Univ, Inst Astrophys Paris, UMR 7095, CNRS, 98Bis,Blvd Arago, F-75014 Paris, France

来源：

CLASSICAL AND QUANTUM GRAVITY | 2024年 / 41卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

electromagnetic cascades; Lorentz invariance violation; photon decay; vacuum Cherenkov effect; photon background fields; simulation of intergalactic propagation; gamma rays; QUANTUM-GRAVITY; MAGNETIC-FIELDS; TESTS; CONSTRAINTS; SPECTRUM; SEARCH;

D O I：

10.1088/1361-6382/ad40f1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Lorentz invariance violation (LIV) is a phenomenon featuring in various quantum gravity models whereby Lorentz symmetry is broken at high energies, potentially impacting the behaviour of particles and their interactions. Here we investigate the phenomenology of LIV within the context of gamma-ray-induced electromagnetic cascades. We conduct detailed numerical simulations to explore the expected manifestations of LIV on gamma-ray fluxes, taking into account relevant effects such as pair production and inverse Compton scattering. Additionally, we consider processes forbidden in the standard model, namely vacuum Cherenkov emission and photon decay. Our analysis reveals that these modifications result in distinct characteristics within the measured particle fluxes at Earth, which have the potential to be observed in high-energy gamma-ray observations.

引用

页数：16

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