Cosmic viscosity as a remedy for tension between PLANCK and LSS data

Sampurn Anand, Prakrut Chaubal, Arindam Mazumdar +1

Measurements of ${\sigma }_8$ from large scale structure observations show a discordance with the extrapolated ${\sigma }_8$ from Planck CMB parameters using $\Lambda$CDM cosmology. Similar discordance…