Black hole mergers as probes of spacetime's condensed degrees of freedom?

TL;DR

This paper proposes that black hole properties like mass, entropy, and interior structure can be understood through spacetime's thermodynamic degrees of freedom, supported by recent merger observations.

Contribution

It introduces a novel interpretation of black hole characteristics as spacetime condensates, linking them to thermodynamic degrees of freedom.

Findings

Black hole concepts can be interpreted via spacetime's thermodynamic degrees of freedom.

Recent black hole merger observations support the proposed interpretation.

Abstract

Black hole physics currently lacks a fully coherent understanding of the black hole mass (density), entropy, and interior (non-)singularity. These concepts are related to the black hole radius, area (of the horizon), and volume (within the horizon), respectively, in the Schwarzschild solution to Einstein's field equations. In this work, we argue that these concepts can be given reasonable interpretations in terms of spacetime's thermodynamic degrees of freedom, which constitute the metric, when the black hole is considered as a condensate thereof. Recent observations of black hole merger events support our proposal.