Inflation from $f(R)$ theories in gravity's rainbow

Areef Waeming, Phongpichit Channuie

In this work, we study the $f(R)$ models of inflation in the context of gravity's rainbow theory. We choose three types of $f(R)$ models: $f(R)=R+α(R/M)^{n},\,f(R)=R+αR^{2}+βR^{2}\…