Kinetic equations for sterile neutrinos from thermal fluctuations

Bödeker D, Schröder D (2020)
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2): 033.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We obtain non-linear kinetic equations for sterile neutrino occupancies and lepton minus baryon numbers by matching real time correlation functions of thermal fluctuations computed in an effective description to those computed in thermal quantum field theory. After expanding in the sterile-neutrino Yukawa couplings, the coefficients in the equations are written as real time correlation functions of Standard Model operators. Our kinetic equations are valid for an arbitrary number of sterile neutrinos of any mass spectrum. They can be used to describe, e.g., low-scale leptogenesis via neutrino oscillations, or sterile neutrino dark matter production in the Higgs phase.
Stichworte
baryon asymmetry; leptogenesis; dark matter theory
Erscheinungsjahr
2020
Zeitschriftentitel
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Ausgabe
2
Art.-Nr.
033
ISSN
1475-7516
Page URI
https://pub.uni-bielefeld.de/record/2943315

Zitieren

Bödeker D, Schröder D. Kinetic equations for sterile neutrinos from thermal fluctuations. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. 2020;(2): 033.
Bödeker, D., & Schröder, D. (2020). Kinetic equations for sterile neutrinos from thermal fluctuations. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(2), 033. doi:10.1088/1475-7516/2020/02/033
Bödeker, D., and Schröder, D. (2020). Kinetic equations for sterile neutrinos from thermal fluctuations. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS:033.
Bödeker, D., & Schröder, D., 2020. Kinetic equations for sterile neutrinos from thermal fluctuations. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, (2): 033.
D. Bödeker and D. Schröder, “Kinetic equations for sterile neutrinos from thermal fluctuations”, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2020, : 033.
Bödeker, D., Schröder, D.: Kinetic equations for sterile neutrinos from thermal fluctuations. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. : 033 (2020).
Bödeker, Dietrich, and Schröder, Dennis. “Kinetic equations for sterile neutrinos from thermal fluctuations”. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2 (2020): 033.

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arXiv: 1911.05092

Inspire: 1764720

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