19 citations · 51 across the 7 of their papers we have counts for
7 papers
Cosmological structure growth in energy-momentum squared gravity
Alvaro de la Cruz-Dombriz, Peter K. S. Dunsby, Payel Sarkar
We investigate the cosmological evolution of matter perturbations in the modified gravity model , where denotes the quadratic contraction of the energy…
Inflationary Cosmology in a non-minimal gravity theory using a mixing term
Payel Sarkar, Ashmita, Prasanta Kumar Das
We investigate a class of inflationary models in modified gravity theories which contain a non-minimal coupling between gravity and a scalar field (inflaton) as $f(R,T)=R \bigl…
Observational Constraints on the gravity theory
Ashmita, Payel Sarkar, Prasanta Kumar Das
We investigate inflation in modified gravity framework by introducing a direct coupling term between a scalar field and the trace of the energy momentum tensor as $f(ϕ,T) =…
Inflationary Cosmology in the Modified Gravity
Ashmita, Payel Sarkar, Prasanta Kumar Das
In this work, we study the inflationary cosmology in modified gravity theory ( is the modified gravity parameter) with three distinct class of inflation pot…
Non-Minimal Inflation with a scalar-curvature mixing term
Payel Sarkar, Ashmita, Prasanta Kumar Das
We use the PLANCK 2018 and the WMAP data to constraint inflation models driven by a scalar field in the presence of the non-minimal scalar-curvature mixing term $\frac{1}{2}ξR…
Emergent Cosmology in Models of Nonlinear Electrodynamics
Payel Sarkar, Prasanta Kumar Das
Nonlinear electrodynamics, which acts as a source of gravity Einstein field equations, leads to emergent cosmology, an alternative solution which can avoid Big Bang singularity. In…
Inflationary cosmology- A new approach using Non-linear electrodynamics
Payel Sarkar, Prasanta Kumar Das, Gauranga Charan Samanta
We explore a new kind of field of nonlinear electrodynamics(NLED) which acts as a source of gravity and can accelerate the universe during the inflationary era. We propose a new ty…