Vacuum Fluctuations of Energy Density can lead to the observed Cosmological Constant

T. Padmanabhan

The energy density associated with Planck length is ${\rho }_{uv}\propto L_P^{-4}$ while the energy density associated with the Hubble length is ${\rho }_{ir}\propto L_H^{-4}$ where $L_H=1/H$.…