Energy Dissipation of Axionic Boson Stars in Magnetized Conducting Media : Astrophysics and Relativity
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概要
- 論文の詳細を見る
Axions are possible candidates of dark matter in the present universe. It has been argued that they form axionic boson stars with small masses 〜 10^<-12> M_⊙. Because they possess oscillating electric fields in a magnetic field, their energies are dissipated in magnetized conducting media. We show that, colliding with a magnetized white dwarf, the energy of an axionic boson star is dissipated by heating the white dwarf. Consequently, a halo white dwarf cooled sufficiently can emit radiation through the collision that is estimated to have luminosity 〜 10^<-6> L_⊙. Without such collisions, almost all white dwarfs with helium atmosphere in a halo would be invisible. Therefore, we expect that the luminosity function of such halo white dwarfs increases discontinuously with the luminosity.
- 理論物理学刊行会の論文
- 1999-06-25
著者
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IWAZAKI Aiichi
Department of Physics, Nishogakusha University
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Aiichi Iwazaki
Department Of Physics Nishogakusha University
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Iwazaki Aiichi
Department Of Physics Nishogakusha University
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IWAZAKI Aiichi
Department of Physics, Tohoku University
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