Litcius/Paper detail

Slow-roll inflation in modified gravity*

Aaqid Bhat, Sanjay Mandal, P. K. Sahoo

2023Chinese Physics C10 citationsDOIOpen Access PDF

Abstract

Abstract In this study, we explore the concept of cosmological inflation within the framework of the theory of gravity, where f is a general function of the torsion scalar T and the trace of the energy-momentum tensor. It is assumed that the conditions of slow-roll inflation are applicable in gravity. To determine different observables related to inflation, such as the tensor-to-scalar ratio r , scalar spectral index , spectral index , and tensor spectral index , the Hubble slow-roll parameters are utilized for a particular model of . Lastly, an assessment is carried out to determine the feasibility of the models by conducting a numerical analysis of the parameters. The findings indicate that it is feasible to achieve compatibility with the observational measurements of slow-roll parameters by utilizing different values of the free parameters.

Topics & Concepts

PhysicsInflation (cosmology)Slow rollTheoretical physicsKeynesian economicsClassical mechanicsEconomicsInflatonCosmology and Gravitation TheoriesSolar and Space Plasma DynamicsFluid Dynamics and Turbulent Flows