Friction pressure on relativistic bubble walls

Gouttenoire, Yann; Jinno, Ryusuke; Sala, Filippo

doi:10.1007/JHEP05(2022)004

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Journal Article

PUBDB-2022-02588

Friction pressure on relativistic bubble walls

Gouttenoire, Y. (Corresponding author)DESY* ; Jinno, R.DESY* ; Sala, F.Extern*

2022
SISSA [Trieste]

Journal of high energy physics 05(5), 004 (2022) [10.1007/JHEP05(2022)004]

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Please use a persistent id in citations: doi:10.1007/JHEP05(2022)004 doi:10.3204/PUBDB-2022-02588

Report No.: DESY-21-147; IFT-UAM/CSIC-21-146; arXiv:2112.07686

Abstract: During a cosmological first-order phase transition, particles of the plasma crossing the bubble walls can radiate a gauge boson. The resulting pressure cannot be computed perturbatively for large coupling constant and/or large supercooling. We resum the real and virtual emissions at all leading-log orders, both analytically and numerically using a Monte-Carlo simulation. We find that radiated bosons are dominantly soft and that the resulting retarding pressure on relativistic bubble walls is linear both in the Lorentz boost and in the order parameter, up to a log. We further quantitatively discuss IR cut-offs, wall thickness effects, the impact of various approximations entering the calculation, and comment on the fate of radiated bosons that are reflected.

Keyword(s): numerical calculations: Monte Carlo ; Beyond Standard Model ; Resummation ; Spontaneous Symmetry Breaking

Classification:

ddc:530

Note: 54 pages, 17 figures

Contributing Institute(s):

Theorie-Gruppe (T)

Research Program(s):

611 - Fundamental Particles and Forces (POF4-611) (POF4-611)

Experiment(s):

No specific instrument

Appears in the scientific report 2022

Database coverage:
Medline

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