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  • Letter

Primordial black hole production during first-order phase transitions

Jing Liu1,2,*, Ligong Bian3,4,†, Rong-Gen Cai5,2,1,‡, Zong-Kuan Guo5,2,1,§, and Shao-Jiang Wang5,∥

  • 1School of Fundamental Physics and Mathematical Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
  • 2School of Physical Sciences, University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
  • 3Department of Physics, Chongqing University, Chongqing 401331, China
  • 4Chongqing Key Laboratory for Strongly Coupled Physics, Chongqing University, Chongqing 401331, China
  • 5CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, P.O. Box 2735, Beijing 100190, China

  • *liujing@ucas.ac.cn
  • †lgbycl@cqu.edu.cn
  • ‡cairg@itp.ac.cn
  • §guozk@itp.ac.cn
  • ∥schwang@itp.ac.cn
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Phys. Rev. D 105, L021303 – Published 11 January, 2022

DOI: https://doi.org/10.1103/PhysRevD.105.L021303

Abstract

A novel mechanism for the primordial black hole (PBH) production is proposed as a natural and inevitable consequence of general first-order phase transitions without reference to specific underlying particle physics models. We obtain mutual predictions and constraints between primordial black holes and gravitational waves from phase transitions in the general case. For particular interest, our PBHs generated during a PeV-scale phase transition could make up all the dark matter, while PBHs generated during a MeV-scale phase transition could simultaneously account for LIGO-Virgo coalescence events and NANOGrav 12.5-yr result for the corresponding gravitational waves.

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Phys. Rev. D 105, L021303– Published 11 January, 2022
  • Received 6 July 2021
  • Accepted 22 December 2021
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