Reconstructing primordial black hole power spectra from gravitational waves

被引：0
作者：
Frolovsky, Daniel [1 ]
Kuehnel, Florian [2 ,3 ]
Stamou, Ioanna [4 ]
机构：
[1] Tomsk State Univ, Phys Fac, Lenin Ave 36, Tomsk 634050, Russia
[2] Ludwig Maximilians Univ Munchen, Arnold Sommerfeld Ctr, Theresienstr 37, D-80333 Munich, Germany
[3] Max Planck Inst Phys & Astrophys, Boltzmannstr 8, D-85748 Garching, Germany
[4] Univ Libre Bruxelles, Serv Phys Theor, CP 225,Blvd Triomphe, B-1050 Brussels, Belgium
来源：
PHYSICAL REVIEW D | 2025年 / 111卷 / 04期
关键词：
COLLAPSE;
D O I：
10.1103/PhysRevD.111.043538
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A novel methodology for analyzing the relation between the energy density in gravitational waves and primordial power spectra is developed. Focusing on scalar-induced gravitational radiation, this methodology is applied to a number of scenarios for the primordial black hole formation. Being differed from conventional Bayesian approaches, its advantages include directness and computational efficiency, which are crucial for handling the complex data characteristic of gravitational wave research. As an important application, it is demonstrated that this methodology allows for the systematic reconstruction of power spectra across all scenarios using current pulsar timing array data, providing a clear example of its potential in gravitational wave analysis.
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页数：14
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