A note on holographic dark energy with varying $c^2$ term

A. Sheykhi, S. Ghaffari, N. Roshanshah

We reconsider the holographic dark energy (HDE) model with a slowly time varying $c^2(z)$ parameter in the energy density, namely ${\rho }_D=3M_p^2{c}^2(z)/L^2$, where $L$ is the IR cuto…