Bubble wall velocity beyond leading-log approximation in electroweak phase transition

Abstract

The bubble wall velocity is essential for the phase transition dynamics in the early universe and its cosmological implications, such as the energy budget of phase transition gravitational wave and electroweak baryogenesis. One key factor to determine the wall velocity is the collision term that quantifies the interactions between the massive particles in the plasma and the bubble wall. We improve the calculations of the collision term beyond the leading-log approximation, and further obtain more precise bubble wall velocity for a representative effective model.

arXiv comment18 pages, 5 figures, 1 table

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Cited by in corpus (19)

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• The Gravitational-Wave Physics II: Progress
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• Testing the dark SU(N) Yang-Mills theory Confined Landscape: From the Lattice to Gravitational Waves
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• DeepSSM: an emulator of gravitational wave spectra from sound waves during cosmological first-order phase transitions
• Entropy production at electroweak bubble walls from scalar field fluctuations
• Detectability of the Phase Transition Gravitational Waves in the DFSZ axion Model