A pedestrian approach to the high energy limits of branes and other gravitational systems

TL;DR

This paper explores high energy limits of gravitational systems with dimensionful parameters, providing new insights and pedagogical examples to understand these limits in models like branes and particles.

Contribution

It introduces a framework for analyzing high energy limits of models with dimensionful parameters, deriving new results and offering pedagogical examples.

Findings

Derived new theoretical results on high energy limits

Provided pedagogical examples of gravitational systems

Clarified the analogy with massless limits of particles

Abstract

In this article we study limits of models that contain a dimensionful parameter such as the mass of the relativistic point-particle. The limits are analogous to the massless limit of the particle and may be thought of as high energy limits. We present the ideas and work through several examples in a (hopefully) pedagogical manner. Along the way we derive several new results.