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Unified origin of baryons and dark matter
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We investigate the possibility that both the baryon asymmetry of the universe and the observed cold dark matter density are generated by decays of a heavy scalar field which dominates the universe before nucleosynthesis. Since baryons and cold dark matter have common origin, this mechanism yields a natural explanation of the similarity of the corresponding energy densities. The cosmological moduli and gravitino problems are avoided.
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Cited by 2 Pith papers
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Thermal History of Non-equilibrated Scalars
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Cosmological and direct-detection data already exclude most sub-GeV dark-matter parameter space for dark-photon magnetic dipole interactions, with semiconductor detectors needed to probe the remaining electric-dipole ...
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