Introduction to the Effective Field Theory Description of Gravity

TL;DR

This paper provides a pedagogical overview of how general relativity can be formulated as a quantum effective field theory, demonstrating its consistency and utility at ordinary energy scales.

Contribution

It introduces the effective field theory approach to gravity, highlighting its advantages and clarifying its role as a quantum theory at accessible energies.

Findings

Gravity can be effectively described as a quantum field theory at ordinary energies.

The effective field theory approach clarifies the quantum aspects of gravity.

Gravity remains a consistent quantum theory within the effective field framework.

Abstract

This is a pedagogical introduction to the treatment of general relativity as a quantum effective field theory. Gravity fits nicely into the effective field theory description and forms a good quantum theory at ordinary energies.