Thermalization of Baryon Asymmetry

Treiman, S.B.; Wilczek, Frank

doi:10.1016/0370-2693(80)90474-8

Thermalization of Baryon Asymmetry

S.B. Treiman
(
- Princeton U.
)
,
Frank Wilczek
(
- Princeton U.
)

Apr, 1980

5 pages

Published in:

Phys.Lett.B 95 (1980) 222-226

Published: 1980

DOI:

10.1016/0370-2693(80)90474-8

Report number:

Print-80-0255 (PRINCETON)

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Abstract: (Elsevier)

In an expanding and cooling universe, baryon asymmetry generated through baryon-and CP -violating interactions in the early high temperature stages will tend at later stages to thermalize toward a situation of reduced baryon asymmetry. We analyze this thermalization effect in the context of the SU(5) model of grand unification. The thermalization is characterized by distinctive eigenmodes. For SU(5) we observe that there is one particular mode that does not thermalize at all.

ASTROPHYSICS
BARYON: ASYMMETRY
BARYON: CONSERVATION LAW
CONSERVATION LAW: VIOLATION
CP: violation
UNIFIED FIELD THEORY
GAUGE FIELD THEORY: SU(5)
temperature dependence
THERMODYNAMICS

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