2 papers
gr-qc2025
Hamiltonian analysis of an Effective action coupled to the Palatini action in 4 dimensions
Ricardo Escobedo, Roberto Santos-Silva, Claudia Moreno +1
We carry out the canonical analysis of the coupling of a -dimensional effective action that arises from a dimensional reduction of a -dimensional BF theory to the Palatini ac…
gr-qc2025
Towards a de Sitter quintom-like cosmology from a reduction of a 7-dimensional theory
Ricardo Escobedo, Roberto Santos-Silva, Claudia Moreno +1
In this article, we analyze a 7-dimensional theory that, upon dimensional reduction, transforms into an effective 4-dimensional action in which a generic metric is involved. A…