The inflationary scenario in the $f(R)$ gravity model with a $R^4$ term

Sahazada Aziz, Sohan Kumar Jha, Anisur Rahaman

We investigate the cosmic inflation scenario of a specific $f(R)$ model that contains more than one higher-order term in $R$. The $f(R)$ considered here has the terms $R^2$, $R^3$,…