We present ongoing investigations of the first-order confinement transition of a composite dark matter model, to predict the resulting spectrum of gravitational waves.
To avoid long autocorrelations at the first-order transition, we employ the Logarithmic Linear Relaxation (LLR) density of states algorithm.
After testing our calculations by reproducing existing results for compact U(1) lattice gauge theory, we focus on the pure-gauge SU(4) theory related to the Stealth Dark Matter model.
Density of states for gravitational waves · Around
J. Kiskis, R. Narayanan and H. Neuberger, Does the crossover from perturbative to nonperturbative physics in QCD become a phase transition at infinite N? , Phys. Lett. B 574
2003
Cited alongside, same era.
P. de Forcrand and O. Jahn, Monte Carlo overrelaxation for SU( N N ) gauge theories , Proc. QCDNA III