F( R, G) theory, FLRW metric, MCMC method, Observational constraints
Inflationary magnetogenesis, Helical magnetic field, Curvature coupling, Reheating phase, Baryogenesis
Thawing Dark Energy, Large Scale Structure, Markov Chain Monte Carlo method, Obser- vational Constraints, Matter Perturbations
Rastall theory, dark energy, dark energy model, data analysis, energy conditions