Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-10-23
Prog.Theor.Phys. 105 (2001) 773-788
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, LaTeX 2e, 3 eps figures
Scientific paper
10.1143/PTP.105.773
The preheating after the inflation, which can be interpreted as particle creation in the oscillating inflaton background, provides a state far from thermal equilibrium. We extend the field theoretical treatment of the preheating by Linde et al. to the case of multicomponent complex scalars to show that some charges are created in this process, if C and CP are violated. A new possibility of baryogenesis based on this mechanism is also discussed.
Funakubo Koichi
Kakuto Akira
Otsuki Shoichiro
Toyoda Fumihiko
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