Extended Holographic Ricci Dark Energy in Chameleon Brans-Dicke Cosmology

Figure 1

Evolution of EoS parameter 𝛾 against 𝑡. The solid, dot-dashed and dashed lines have the parameter combinations 𝛼=2.3,1.3,1.5, 𝛽=4.5,2.5,1.5, 𝑙₁=0.3,0.5,0.2, and 𝑙₂=4.5,6,7.