TY - JOUR
T1 - Isocurvature fluctuations in the Affleck-Dine mechanism and constraints on inflation models
AU - Kasuya, Shinta
AU - Kawasaki, Masahiro
AU - Takahashi, Fuminobu
PY - 2008/10/1
Y1 - 2008/10/1
N2 - We argue that, in the Affleck-Dine mechanism, baryonic isocurvature fluctuations are generated in most inflation models in supergravity. The inflationary scale and a reheating temperature are constrained in order not to induce too large baryonic isocurvature fluctuations. In particular, high-scale inflation models with high reheating temperatures are disfavored in this context.
AB - We argue that, in the Affleck-Dine mechanism, baryonic isocurvature fluctuations are generated in most inflation models in supergravity. The inflationary scale and a reheating temperature are constrained in order not to induce too large baryonic isocurvature fluctuations. In particular, high-scale inflation models with high reheating temperatures are disfavored in this context.
KW - Baryon asymmetry
KW - Cosmological perturbation theory
KW - Inflation
KW - Physics of the early universe
UR - http://www.scopus.com/inward/record.url?scp=56449097921&partnerID=8YFLogxK
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U2 - 10.1088/1475-7516/2008/10/017
DO - 10.1088/1475-7516/2008/10/017
M3 - Article
AN - SCOPUS:56449097921
SN - 1475-7516
VL - 2008
JO - Journal of Cosmology and Astroparticle Physics
JF - Journal of Cosmology and Astroparticle Physics
IS - 10
M1 - 017
ER -