Fermi acceleration under Lorentz invariance violation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A90232%2F24%3A00641983" target="_blank" >RIV/68378271:90232/24:00641983 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1088/1475-7516/2024/10/029" target="_blank" >https://doi.org/10.1088/1475-7516/2024/10/029</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1475-7516/2024/10/029" target="_blank" >10.1088/1475-7516/2024/10/029</a>

Result language
angličtina
Original language name
Fermi acceleration under Lorentz invariance violation
Original language description
In this paper, the acceleration of particles in astrophysical sources by the Fermi mechanism is revisited under the assumption of Lorentz invariance violation (LIV). We calculate the energy spectrum and the acceleration time of particles leaving the source as a function of the energy beyond which the Lorentz invariance violation becomes relevant. Lorentz invariance violation causes significant changes in the acceleration of particles by the first and second-order Fermi mechanisms. The energy spectrum of particles accelerated by first-order Fermi mechanism under LIV assumption shows a strong suppression for energies above the break. The calculations presented here complete the scenario for LIV searches with astroparticles by showing, for the first time, how the benchmark acceleration mechanisms (Fermi) are modified under LIV assumption.
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
10303 - Particles and field physics

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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