Primordial black hole production during first-order phase transitions
Jing Liu, Ligong Bian, Rong-Gen Cai, Zong‐Kuan Guo, Shao-Jiang Wang
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.
Topics & Concepts
Primordial black holeLIGOPhysicsGravitational waveCoalescence (physics)Phase transitionDark matterAstrophysicsParticle physicsBinary black holeAstronomyQuantum mechanicsCosmology and Gravitation TheoriesDark Matter and Cosmic PhenomenaPulsars and Gravitational Waves Research