The M-sigma relation of supermassive black holes from the scalar field dark matter

被引：5
|
作者：
Lee, Jae-Weon [1 ]
Kim, Hyeong-Chan [2 ]
Lee, Jungjai [3 ,4 ]
机构：
[1] Jungwon Univ, Dept Renewable Energy, 85 Munmu Ro, Goesan Gun 28024, Chungcheongbuk, South Korea
[2] Korea Natl Univ Transportat, Sch Liberal Arts & Sci, Chungju 27469, South Korea
[3] Daejin Univ, Div Math & Phys, Pochon 11159, Gyeonggi, South Korea
[4] Korea Inst Adv Study, 85 Hoegiro, Seoul 02455, South Korea
来源：
MODERN PHYSICS LETTERS A | 2020年 / 35卷 / 19期
基金：
新加坡国家研究基金会;
关键词：
M-sigma relation; scalar field dark matter; supermassive blackhole; GALAXIES; MASS; HALO;
D O I：
10.1142/S0217732320501552
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show a relation between the mass of supermassive black holes in galaxies and the velocity dispersions of their bulges in the scalar field or the Bose-Einstein condensate dark matter model. The gravity of the central black holes changes boundary conditions of the scalar field at the galactic centers. Owing to the wave nature of the dark matter, this significantly changes the galactic dark matter halo profiles even though the black holes are much lighter than the bulges. As a result the heavier the black holes are, the more compact the bulges are, and hence the larger the velocity dispersions are. This tendency is verified by a numerical study showing the M-sigma relation reproduced with the dark matter particle mass m similar or equal to 5 x 10(-22) eV.
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页数：10
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