A Baryon Number Generation Mechanism in the Expanding Universe
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概要
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Motivated by the recent work of Toussaint, Treiman, Wilczek and Zee, we propose an explanation of the baryon number excess in the Universe as a quantum effect in curved space-time. Our mechanism necessitates microscopic baryon number non-conservation and CP violation. It is emphasized that time dependence of the CP violation phase due to the expansion of the Universe is important in the baryon number generation. An explicit gauge model of baryon number and CP non-conservation is constructed. The ratio of baryon number to entropy N_B/N_γ is of the order of a quartic Higgs coupling constant in that model.
- 理論物理学刊行会の論文
- 1979-12-25
著者
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Hosoya A
Tokyo Inst. Technol. Tokyo Jpn
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Hosoya Akio
Department Of Physics Tokyo Institute Of Technology
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Uehara Kunihiko
Department Of Physics Osaka University
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Hosoya Akio
Department Of Physics Osaka University
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Hosoya Akio
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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HOSOYA Akio
Research Institute for Theoretical Physics, Hiroshima University
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HOSOYA Akio
Department of Physics, Osasa University
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UEHARA Kunihiko
Department of Physics, Tezukayama University
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