Influence of primordial black holes on the evolution of different stellar populations

被引：0
|
作者：
Derishev, EV
Kocharovsky, VV
Kocharovsky, VV
机构：
[1] Russian Acad Sci, Inst Phys Appl, Nizhnii Novgorod 603600, Russia
[2] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA
来源：
COSMOLOGY AND PARTICLE PHYSICS | 2001年 / 555卷
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D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show that cold dark matter (CDM) captured in the very first gravitationally bound objects formed in the early Universe has a velocity dispersion small enough to allow individual stars to retain a significant amount of CDM in their interior. If CDM comprises primordial black holes (PBHs) as a minor component, this could have a dramatic effect on the fate of such stars even if PBHs constitute only 10(-9) - 10(-8) fraction of the critical density of the Universe, which is consistent with the non-detection of hard gamma-ray emission from evaporating black holes.
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页码：375 / 378
页数：4
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