Can Primordial Black Holes Solve the Overproduction Problem of Monopoles? : Astrophysics and Relativity
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概要
- 論文の詳細を見る
It has been pointed out that magnetic monopoles are overproduced in the early universe. As an approach to solve this overproduction problem, we investigate the evolution of the universe including primordial black holes for arbitrary mass and arbitrary initial abundance of monopoles. We investigate whether the generations of entropy and baryon asymmetry due to black hole evaporation can dilute the monopole abundance sufficiently without contradiction to present baryon/entropy ratio and primordial nucleosynthesis. It is shown that the introduction of primordial black holes enables us to construct a consistent cosmic scenario for wider range of mass and initial abundance of monopoles. However, it is also shown that for monopoles with standard mass, 10^<16>GeV, we cannot elude the overproduction of monopoles by primordial black holes unless the initial abundance of monopoles is sufficiently small.
- 理論物理学刊行会の論文
- 1984-10-25
著者
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SATO Katsuhiko
Department of Physics, Kyoto University
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Izawa Mizuo
Department Of Physics Kyoto University
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Sato Katsuhiko
Department Of Cardiovascular Medicine Hokkaido University School Of Medicine
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IZAWA Mizuo
Department of Physics, Kyoto University
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