Black hole entropy in scalar-tensor and f(R) gravity: an overview
Valerio Faraoni (Bishop's University)
TL;DR
This paper reviews how black hole entropy is understood within scalar-tensor and f(R) gravity theories, motivated by their potential to explain cosmic acceleration without dark energy.
Contribution
It provides an overview of black hole entropy formulations in alternative gravity theories, highlighting recent developments in f(R) and scalar-tensor models.
Findings
Black hole entropy in f(R) and scalar-tensor theories differs from general relativity.
Recent approaches connect black hole thermodynamics with cosmic acceleration models.
The overview clarifies theoretical frameworks for entropy in modified gravity.
Abstract
A short overview of black hole entropy in alternative gravitational theories is presented. Motivated by the recent attempts to explain the cosmic acceleration without dark energy, we focus on metric and Palatini f(R) gravity and on scalar-tensor theories.
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