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hep-th2022★ 10 cited
Three- and Four-Point Functions in CPT-Even Lorentz-Violating Scalar QED
B. Altschul, L. C. T. Brito, J. C. C. Felipe +3
The renormalization of quantum field theories usually assumes Lorentz and gauge symmetries, besides the general restrictions imposed by unitarity and causality. However, the set of…
physics.gen-ph2022★ 1 cited
Fermionic wave functions and Grassmann fields as possible sources of dark energy
L. C. T. Brito, S. H. Pereira, L. N. Barboza +2
We study a cosmological model with a fermionic field which can be interpreted as a source of dark energy in the universe. Two different approaches were considered, the first one wi…