Affleck-Dine baryogenesis, split supersymmetry, and inflation

Journal Article · Tue Sep 15 00:00:00 EDT 2009 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.80.063519· OSTI ID:21322693

Charng, Y -Y; Ng, K -W ^[1]; Lee, D -S ^[2]; Leung, C N ^[3]

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1. Institute of Physics, Academia Sinica, Taipei, Taiwan 115 (China)
2. Department of Physics, National Dong Hwa University, Hua-Lien, Taiwan 974 (China)
3. Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716 (United States)

It is shown that, in the context of split supersymmetry, a simple model with a single complex scalar field can produce chaotic inflation and generate the observed amount of baryon asymmetry via the Affleck-Dine mechanism. While the inflaton quantum fluctuations give rise to curvature perturbation, we show that quantum fluctuations of the phase of the scalar field can produce baryonic isocurvature perturbation. Combining with constraints from WMAP data, all parameters in the model can be determined to within a narrow range.

• OSTI ID: 21322693
• Journal Information: Physical Review. D, Particles Fields, Vol. 80, Issue 6; Other Information: DOI: 10.1103/PhysRevD.80.063519; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
BARYONS
CHAOS THEORY
DISTURBANCES
FLUCTUATIONS
PERTURBATION THEORY
SCALAR FIELDS
SUPERSYMMETRY