Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-12-05
Phys.Rev. D69 (2004) 123518
Astronomy and Astrophysics
Astrophysics
PRD in press with minor changes
Scientific paper
10.1103/PhysRevD.69.123518
We discuss the hypotheses that cosmological baryon asymmetry and entropy were produced in the early Universe by phase transition of the scalar fields in the framework of spontaneous baryogenesis scenario. We show that annihilation of the matter-antimatter clouds during the cosmological hydrogen recombination could distort of the CMB anisotropies and polarization by delay of the recombination. After recombination the annihilation of the antibaryonic clouds (ABC) and baryonic matter can produce peak-like reionization at the high redshifts before formation of quasars and early galaxy formation. We discuss the constraints on the parameters of spontaneous baryogenesis scenario by the recent WMAP CMB anisotropy and polarization data and on possible manifestation of the antimatter clouds in the upcoming PLANCK data.
Chiang Lung-Yih
Naselsky Pavel D.
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