Stellar evolution of compact stars in curvature-matter-coupling gravity

This paper is devoted to studying the stellar evolution of compact objects whose energy density and fluid pressure are interlinked by means of the MIT bag model and a realistic polytropic equation of state in the scenario of f (R, T, Q) gravity, where Q = RabTab. We derive the field equations as well as the hydrostatic equilibrium equation and analyze their solutions numerically for an R + delta Q functional form, with delta being a coupling parameter. We discuss the dependence of various physical properties such as pressure, energy density, total mass, and surface redshift on the chosen values of the model parameter. The physical acceptability of the proposed model is examined by checking the validity of energy conditions, causality condition, and adiabatic index. We also study the effects arising due to the matter-curvature coupling of a compact stellar system. It is found that the maximum mass point lies within the observational range, which indicates that our model is appropriate to describe dense stellar objects.