Electroweak bubble wall speed limit

Bödeker D, Moore GD (2017)
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2017(5): 25.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Bödeker, DietrichUniBi; Moore, Guy D.
Abstract / Bemerkung
In extensions of the Standard Model with extra scalars, the electroweak phase transition can be very strong, and the bubble walls can be highly relativistic. We revisit our previous argument that electroweak bubble walls can "run away," that is, achieve extreme ultrarelativistic velocities gamma similar to 10(14). We show that, when particles cross the bubble wall, they can emit transition radiation. Wall-frame soft processes, though suppressed by a power of the coupling alpha, have a significance enhanced by the gamma-factor of the wall, limiting wall velocities to gamma similar to 10(14). Though the bubble walls can move at almost the speed of light, they carry an infinitesimal share of the plasma's energy.
Stichworte
cosmological phase transitions; primordial gravitational waves (theory); baryon asymmetry; primordial magnetic fields
Erscheinungsjahr
2017
Zeitschriftentitel
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Band
2017
Ausgabe
5
Art.-Nr.
25
ISSN
1475-7516
Page URI
https://pub.uni-bielefeld.de/record/2912685

Zitieren

Bödeker D, Moore GD. Electroweak bubble wall speed limit. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. 2017;2017(5): 25.
Bödeker, D., & Moore, G. D. (2017). Electroweak bubble wall speed limit. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2017(5), 25. doi:10.1088/1475-7516/2017/05/025
Bödeker, Dietrich, and Moore, Guy D. 2017. “Electroweak bubble wall speed limit”. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2017 (5): 25.
Bödeker, D., and Moore, G. D. (2017). Electroweak bubble wall speed limit. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2017:25.
Bödeker, D., & Moore, G.D., 2017. Electroweak bubble wall speed limit. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2017(5): 25.
D. Bödeker and G.D. Moore, “Electroweak bubble wall speed limit”, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, vol. 2017, 2017, : 25.
Bödeker, D., Moore, G.D.: Electroweak bubble wall speed limit. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. 2017, : 25 (2017).
Bödeker, Dietrich, and Moore, Guy D. “Electroweak bubble wall speed limit”. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2017.5 (2017): 25.
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arXiv: 1703.08215

Inspire: 1519171

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