Axion Domain Walls and Thermal Friction

Published:Dec 29, 2025 12:45
1 min read
ArXiv

Analysis

This paper addresses the challenges in accurately predicting axion dark matter abundance, a crucial problem in cosmology. It highlights the limitations of existing simulation-based approaches and proposes a new analytical framework based on non-equilibrium quantum field theory to model axion domain wall networks. This is significant because it aims to improve the precision of axion abundance calculations, which is essential for understanding the nature of dark matter and the early universe.

Reference

The paper focuses on developing a new analytical framework based on non-equilibrium quantum field theory to derive effective Fokker-Planck equations for macroscopic quantities of axion domain wall networks.