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cosmic rays 1deformed relativity 1fermi acceleration 1kappa-poincare 1lorentz symmetry 1particle spectra 1

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1 paper

gr-qc2026

Fermi Acceleration Mechanisms Beyond Lorentz Symmetry

Gilson A. Ferreira, Erick Aguiar, A. A. Araújo Filho +3

The authors construct models of first- and second-order Fermi acceleration that include generic frame transformations, dispersion relations, and conservation laws, and study how de…