# Unruh effect and entropy of Schwarzschild black hole

## TL;DR

This paper explores how the Unruh effect contributes to the entropy of Schwarzschild black holes, proposing a model that links quantum field effects with gravitational entropy and providing analytical expressions for this contribution.

## Contribution

It introduces an analytical model connecting the Unruh effect to black hole entropy, considering particle properties and extending to various degrees of freedom.

## Key findings

- Unruh effect contributes significantly to black hole entropy.
- Analytical expressions for entropy contribution are derived.
- Dependence of entropy on particle mass and spin is established.

## Abstract

We consider Unruh effect as an origin for Schwarzschild black hole entropy thus implying unitarian evolution of gravity. We simulate the black hole by set of Unruh horizons and estimate total entropy of the system. Dependence on mass and spin of the emitted particles is taken into account. The obtained results may be easily extended to any other intrinsic degrees of freedom of the particles. Unruh effect contribution to Schwarzschild black hole entropy is presented in exact analytical form.