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5 papers · 2 filters
One-loop radiative corrections in bumblebee-Stueckelberg model
Fernando M. Belchior, Roberto V. Maluf
This work aims to study the radiative corrections in a vector model with spontaneous Lorentz symmetry violation, known in the literature as the bumblebee model. We consider such a…
Lorentz-violating extension of scalar QED at finite temperature
M. C. Araújo, J. Furtado, R. V. Maluf
In this work, we calculate the one-loop self-energy corrections to the gauge field in scalar electrodynamics modified by Lorentz-violating terms within the framework of the standar…
Vacuum polarization and induced Maxwell and Kalb-Ramond effective action in very special relativity
Roberto V. Maluf, Gonzalo J. Olmo
This work investigates the implications of very special relativity (VSR) on the calculation of vacuum polarization for fermions in the presence of Maxwell and Kalb-Ramond gauge fie…
On metric-affine bumblebee model coupled to scalar matter
J. R. Nascimento, Gonzalo J. Olmo, A. Yu. Petrov +1
We consider the coupling of the metric-affine bumblebee gravity model to scalar matter and calculate the lower-order contributions to two-point functions of bumblebee and scalar fi…
Holographic duals of evaporating black holes
Roberto Emparan, Raimon Luna, Ryotaku Suzuki +2
We describe the dynamical evaporation of a black hole as the classical evolution in time of a black hole in an Anti-de Sitter braneworld. A bulk black hole whose horizon intersects…