2 papers
astro-ph2005
Bulk viscous cosmology: statefinder and entropy
M. Hu, Xin He Meng
The statefinder diagnostic pair is adopted to differentiate viscous cosmology models and it is found that the trajectories of these viscous cosmology models on the statefinder pair…
astro-ph2005
Friedmann cosmology with a generalized equation of state and bulk viscosity
Xin-He Meng, Jie Ren, Ming-Guang Hu
The universe media is considered as a non-perfect fluid with bulk viscosity and described by a more general equation of state. We assume the bulk viscosity is a linear combination…