論文

査読有り
2020年8月15日

Threshold of primordial black hole formation in nonspherical collapse

Physical Review D
  • Chul Moon Yoo
  • ,
  • Tomohiro Harada
  • ,
  • Hirotada Okawa

102
4
記述言語
掲載種別
研究論文(学術雑誌)
DOI
10.1103/PhysRevD.102.043526

© 2020 American Physical Society. We perform (3+1)-dimensional simulations of primordial black hole (PBH) formation starting from the spheroidal superhorizon perturbations. We investigate how the ellipticity (prolateness or oblateness) affects the threshold of PBH formation in terms of the peak amplitude of curvature perturbation. We find that, in the case of the radiation-dominated universe, the effect of ellipticity on the threshold is negligibly small for large amplitude of perturbations expected for PBH formation.

リンク情報
DOI
https://doi.org/10.1103/PhysRevD.102.043526
Scopus
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85091876779&origin=inward
Scopus Citedby
https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=85091876779&origin=inward
ID情報
  • DOI : 10.1103/PhysRevD.102.043526
  • ISSN : 2470-0010
  • eISSN : 2470-0029
  • ORCIDのPut Code : 79516038
  • SCOPUS ID : 85091876779

エクスポート
BibTeX RIS