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gr-qc2025
Dynamical system analysis of the cosmological phases in Palatini -essence gravity
Fabio Moretti, Flavio Bombacigno
We formulate a generalized -essence model in the presence of a Palatini gravitational sector. In the corresponding biscalar-tensor theory, we discuss the distin…
gr-qc2025
Gravitational waves in Palatini gravity for a non-minimal geometry-matter coupling
Flavio Bombacigno, Fabio Moretti, Gonzalo J. Olmo
We discuss the propagation of gravitational waves over a non-Riemannian spacetime, when a non-minimal coupling between the geometry and matter is considered in the form of contract…