Dynamics of modified Chaplygin gas inflation on the Brane with bulk viscous pressure

Abstract

We investigate the role of bulk viscous pressure on the warm inflationary modified Chaplygin gas (MCG) in braneworld framework in the presence of standard scalar field. We assume the intermediate inflationary scenario in strong dissipative regime and constructed the inflaton, potential, entropy density, slow-roll parameters, scalar and tensor power spectra, scalar spectral index and tensor-to-scalar ratio. We develop various trajectories such as [Formula: see text], [Formula: see text] and [Formula: see text] (where [Formula: see text] is the spectral index, [Formula: see text] is the running of spectral index, [Formula: see text] is the number of e-folds and [Formula: see text] is tensor-to-scalar ratio) for variable as well as constant dissipation and bulk viscous coefficients at high dissipative regime. It is interesting to remark here that our results of these parameters are compatible with recent observational data such as WMAP [Formula: see text], BICEP[Formula: see text] and Planck data.