Horizons

TL;DR

This paper explores the complex physics of black hole horizons, emphasizing the need for new theories to understand quantum effects and information organization at these boundaries.

Contribution

It highlights the gaps in understanding the quantum behavior of horizons and suggests that new physics and refined quantum theories are necessary.

Findings

Current physics cannot fully explain horizon properties.

Quantum effects at horizons require new theoretical frameworks.

Understanding information organization at horizons is still unresolved.

Abstract

The gravitational force harbours a fundamental instability against collapse. In standard General Relativity without Quantum Mechanics, this implies the existence of black holes as natural, stable solutions of Einstein's equations. If one attempts to quantize the gravitational force, one should also consider the question how Quantum Mechanics affects the behaviour of black holes. In this lecture, we concentrate on the horizon. One would have expected that its properties could be derived from general coordinate transformations out of a vacuum state. In contrast, it appears that much new physics is needed. Much of that is still poorly understood, but one may speculate on the way information is organized at a horizon, and how refined versions of Quantum Theory may lead to answers.