Analytic scaling solutions for cosmic domain walls

Abstract

A relativistic generalisation of a well-known method for approximating the dynamics of topological defects in condensed matter is constructed, and applied to the evolution of domain walls in a cosmological context. It is shown that there are self-similar ``scaling'' solutions, for which one can in principle calculate many quantities of interest without recourse to numerical simulations. Here, the area density in the scaling regime is calculated in various backgrounds. Remarkably good agreement with numerical simulations is obtained.

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References in corpus (2)

• Phase Ordering Kinetics with External Fields and Biased Initial Conditions
• Phase ordering dynamics of cosmological models

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