Mini-review on the production of Primordial Black Holes from First-Order Phase Transitions in the Early Universe

TL;DR

This paper reviews how primordial black holes can form during first-order phase transitions in the early universe, discussing different mechanisms and their relation to black hole properties.

Contribution

It provides a comprehensive overview of both model-dependent and independent mechanisms for primordial black hole formation during phase transitions.

Findings

Various mechanisms can produce primordial black holes during phase transitions

Properties of black holes are linked to the specific formation mechanisms

Model-specific examples illustrate the diversity of formation scenarios

Abstract

We review the creation mechanism of primordial black holes from first order phase transitions. We discuss various model-dependent and independent mechanisms and relate the properties of these mechanisms to the properties of primordial black holes. For each of these mechanisms, we provide model-specific examples.