Semiclassical quantum states for black holes

TL;DR

This paper explores semiclassical quantum states in black hole models, focusing on Hawking radiation, decoherence, and entropy within the Wheeler-DeWitt framework for CGHS and spherically symmetric gravity.

Contribution

It introduces a semiclassical approximation approach for the Wheeler-DeWitt equation applied to black hole models, addressing key quantum aspects.

Findings

Analysis of Hawking radiation in semiclassical states

Decoherence mechanisms for black hole states

Insights into black hole entropy from semiclassical perspective

Abstract

I discuss the semiclassical approximation for the Wheeler-DeWitt equation when applied to the CGHS model and spherically symmetric gravity. Special attention is devoted to the issues of Hawking radiation, decoherence of semiclassical states, and black hole entropy.