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Cai, RG; Liu, TB; Wang, SJ
Sensitivity of primordial black hole abundance on the reheating phase
发表期刊PHYSICAL REVIEW D
语种英语
关键词DARK-MATTER INFLATION LIMITS MASS
摘要We investigate the sensitivity of the reheating history to the abundance of primordial black holes (PBHs). Contrary to the monochromatic case of the mass fraction of PBHs, the reheating era with different e-foldings and equations of state can have a substantial impact on the abundance of PBHs with an extended mass fraction. We demonstrate explicitly this reheating sensitivity in an illustrative model of single-field inflation with a quasi-inflection point, and find that both the peak position and amplitude of the extended mass fraction as well as the abundance of PBHs in DM can vary by many orders of magnitude, which adds another layer of uncertainty to the PBH scenarios as dark matter.
2018
ISSN2470-0010
卷号98期号:4页码:43538
学科领域Astronomy & Astrophysics ; Physics
学科门类Astronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.98.043538
收录类别SCIE
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22832
专题理论物理所科研产出_SCI论文
作者单位1.Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
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Cai, RG,Liu, TB,Wang, SJ. Sensitivity of primordial black hole abundance on the reheating phase[J]. PHYSICAL REVIEW D,2018,98(4):43538.
APA Cai, RG,Liu, TB,&Wang, SJ.(2018).Sensitivity of primordial black hole abundance on the reheating phase.PHYSICAL REVIEW D,98(4),43538.
MLA Cai, RG,et al."Sensitivity of primordial black hole abundance on the reheating phase".PHYSICAL REVIEW D 98.4(2018):43538.
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