3 papers
hep-th2026
Nonlocal spinor superfield theory
F. S. Gama, J. R. Nascimento, G. Olmo +2
In this work, we propose a new three-dimensional nonlocal spinor superfield model. This theory is constructed by introducing form factors in the local spinor superfield action. The…
gr-qc2025
Gravitational lensing by a Lorentz-violating black hole
A. A. Araújo Filho, J. R. Nascimento, A. Yu. Petrov +1
In this work, we study the gravitational lensing by a Lorentz-violating (LV) black hole inspired by the recent contribution [1]. Explicitly, we concentrate on a specific applicatio…
hep-th2025
Metric-affine bumblebee gravity: classical aspects
Adria Delhom, J. R. Nascimento, Gonzalo J. Olmo +2
We consider the metric-affine formulation of bumblebee gravity, derive the field equations, and show that the connection can be written as Levi-Civita of a disformally related metr…