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gr-qc2026
Five-dimensional thick branes in the scalar representation of gravity
F. C. E. Lima, F. M. Belchior, C. A. S. Almeida
One examines a codimension-one thick braneworld in the scalar representation of gravity, where is the nonmetricity scalar, and is the boundary term satisfying $R=Q…
gr-qc2026
Scalaron excitation by topological vortices in quadratic gravity on a BTZ black hole background
C. A. S. Almeida, F. C. E. Lima
In three spacetime dimensions, pure Einstein gravity admits no local propagating degrees of freedom, yet nontrivial gravitational backgrounds such as the BTZ black hole provide a n…
gr-qc2021★ 19 cited
First-order formalism for thick branes in gravity
A. R. P. Moreira, F. C. E. Lima, J. E. G. Silva +1
In this paper, we study the thick brane scenario constructed in the recently proposed theories of gravity, where is called the torsion scalar, and $\mathcal{…