Observable Isocurvature Fluctuations from the Affleck-Dine Condensate

Details Observable Isocurvature Fluctuations from the Affleck-Dine Condensate Observable Isocurvature Fluctuations from the Affleck-Dine Condensate

1998-11-19

arxiv.org/abs/hep-ph/9811412v1

Phys.Rev.Lett. 83 (1999) 2510-2513

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex 9 pages, 1 Figure

Scientific paper

10.1103/PhysRevLett.83.2510

In D-term inflation models, Affleck-Dine baryogenesis produces isocurvature density fluctuations. These can be perturbations in the baryon number, or, in the case where the present neutralino density comes directly from B-ball decay, perturbations in the number of dark matter neutralinos. The latter case results in a large enhancement of the isocurvature perturbation. The requirement that the deviation of the adiabatic perturbations from scale invariance due to the Affleck-Dine field is not too large then imposes a lower bound on the magnitude of the isocurvature fluctuation of about $10^{-2}$ times the adiabatic perturbation. This should be observable by MAP and PLANCK.

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