j0 By walkerh 1980 (Starobinsky, 1980) A New Type of Isotropic Cosmological Models Without Singularity 1992 (Wetterich, 1992) exact evolution equation for the scale dependence of an effective action 1998 (Weinberg, 1998) Cosmological constant problem 2006 (Copelan,& Sami,& Tsujikawa, 2006) Dynamics of dark energy 2015 (Sachdev, 2015) Bekenstein-Hawking entropy and compressible states without quasiparticles