Oscillon collapse to black holes

TL;DR

This paper uses numerical relativity to explore how oscillons, pseudo-topological objects influenced by gravity and self-interactions, can collapse into black holes or remain stable, depending on initial conditions.

Contribution

It provides a detailed mapping of parameter space showing conditions under which oscillons collapse into black holes or stay stable, incorporating effects of self-interactions and gravity.

Findings

Oscillons can rapidly collapse into black holes under certain conditions.

Self-interactions influence the stability and collapse of oscillons.

Parameter space regions for stability and collapse are mapped.

Abstract

Using numerical relativity simulations we study the dynamics of pseudo-topological objects called oscillons for a class of models inspired by axion-monodromy. Starting from free field solutions supported by gravitational attractions, we investigate the effect of adding self-interactions, and contrast this with the effect of adding self-interactions whilst removing gravitational support. We map out regions of the parameter space where the initial conditions rapidly collapse to black holes, and other regions where they remain pseudo-stable or disperse.