Cosmic string network
= Cosmic string network
{wiki=Cosmic_string}
An isotropic network of long cosmic strings has average equation-of-state parameter $w=-1/3$ and energy density proportional to $a^{-2}$.
= Cosmic string network
{wiki=Cosmic_string}
An isotropic network of long cosmic strings has average equation-of-state parameter $w=-1/3$ and energy density proportional to $a^{-2}$.