144 citations · 1.6k across the 82 of their papers we have counts for
9 papers · 1 filter
Testing a varying- model for dark energy within Co-varying Physical Couplings framework
R. R. Cuzinatto, R. P. Gupta, R. F. L. Holanda +2
The Co-varying Physical Couplings (CPC) framework is a modified gravity set up assuming Einstein Field Equations wherein the quantities are promoted to space-time funct…
Dark matter from torsion in Friedmann cosmology
S. H. Pereira, A. M. Vicente, J. F. Jesus +1
A cosmological model in an Einstein-Cartan framework endowed with torsion is studied. For a torsion function assumed to be proportional to Hubble expansion function, namely …
Observational constraints on varying fundamental constants in a minimal CPC model
R. R. Cuzinatto, R. F. L. Holanda, S. H. Pereira
A minimal model based on the Co-varying Physical Couplings (CPC) framework for gravity is proposed. The CPC framework is based on the assumptions of a metric-compatible four-dimens…
Acceleration in Friedmann cosmology with torsion
S. H. Pereira, R. de C. Lima, J. F. Jesus +1
A Friedmann like cosmological model in Einstein-Cartan framework is studied when the torsion function is assumed to be proportional to a single function coming just from the…
Constraints on a possible evolution of mass density power-law index in strong gravitational lensing from cosmological data
R. F. L. Holanda, S. H. Pereira, Deepak Jain
In this work, by using strong gravitational lensing (SGL) observations along with Type Ia Supernovae (Union2.1) and gamma ray burst data (GRBs), we propose a new method to study a…
Improved constraints on violations of the Einstein equivalence principle in the electromagnetic sector with complementary cosmic probes
R. F. L. Holanda, S. H. Pereira, V. C. Busti +1
Recent results have shown that a field non-minimally coupled to the electromagnetic Lagrangian can induce a violation of the Einstein equivalence principle. { This kind of coupling…