Horizon-scaling cosmic string network
= Horizon-scaling cosmic string network
{title2=$\rho_{\rm string}\sim\mu/t^2$}
A network whose characteristic long-string separation grows with the horizon scale can lose <energy> into loops and <radiation>. Its density can scale as $\mu/t^2$ in natural units. This is distinct from the $a^{-2}$ dilution of an ideal frozen noninteracting string network.