PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Particle physics beyond the Standard Model
Advances in using density of states for large-N Yang–Mills
F. Springer*, D. Schaich and  for the Lattice Strong Dynamics (LSD) Collaboration
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Pre-published on: January 30, 2023
Published on: April 06, 2023
We present work in progress using the Logarithmic Linear Relaxation (LLR) density of states algorithm to analyse first-order phase transitions in pure-gauge SU($N$) Yang--Mills theories, focusing on $N = 4$ and 6. By using the LLR algorithm we aim to avoid super-critical slowing down at such transitions. Motivation for this study comes from composite dark matter models, which may feature a first-order confinement transition in the early Universe that would produce a background of gravitational waves. Improving our understanding of these phase transitions will help probe these models using observations from future gravitational-wave observatories. In addition to the confinement transition, we also analyze bulk phase transitions of the lattice theories, which feature much larger latent heat.
DOI: https://doi.org/10.22323/1.430.0223
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