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physics.optics2026
Kerr rotation signature of nonlinear Maxwell electrodynamics under a uniform electromagnetic background
M. J. Neves, Pedro D. S. Silva
Nonlinear electrodynamics naturally arises in quantum field theory, where the electromagnetic vacuum behaves as an effective nonlinear optical medium, leading to phenomena such as…
astro-ph.HE2026
Tight bounds on the Maxwell-Carroll-Field-Jackiw parameters using Fast Radio Bursts
Filipe S. Ribeiro, Pedro D. S. Silva, Rodolfo Casana +1
We investigate the arrival time and the Faraday rotation of extragalactic electromagnetic signals from fast radio bursts (FRBs) propagating through chiral cosmic media within the f…