Constraints on modified Chaplygin gas from recent observations and a comparison of its status with other models

Jianbo Lu, Lixin Xu, Jiechao Li +3

In this Letter, a modified Chaplygin gas (MCG) model of unifying dark energy and dark matter with the exotic equation of state $p_{MCG}=B{\rho }_{MCG}-\frac{A}{{\rho }_{MCG}^{\alpha }}$ is constrained…