Fluid equations for fast-moving electroweak bubble walls

@article{Laurent2020FluidEF,
  title={Fluid equations for fast-moving electroweak bubble walls},
  author={Benoit Laurent and James M Cline},
  journal={Physical Review D},
  year={2020}
}
The cosmological electroweak phase transition can be strongly first order in extended particle physics models. To accurately predict the speed and shape of the bubble walls during such a transition, Boltzmann equations for the CP-even fluid perturbations must be solved. We point out that the equations usually adopted lead to unphysical behavior of the perturbations, for walls traveling close to or above the speed of sound in the plasma. This is an artifact that can be overcome by more carefully… Expand

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