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astro-ph.CO2026
Benchmarking wall velocities in cosmological phase transitions: Fluid Ansatz and WallGo
Gláuber C. Dorsch, Marek Lewicki, Daniel A. Pinto
A reliable computation of the bubble wall velocity during a cosmological phase transition requires an adequate modeling of the non-equilibrium dynamics in the vicinity of this expa…
astro-ph.CO2026
From friction scaling to an efficient method for estimating bubble wall velocity
Tomasz Krajewski, Marek Lewicki, Marco Merchand +2
We present a unified description of first-order cosmological phase transition dynamics that links the phenomenological friction model employed in hydrodynamic simulations to the mi…