Spin Multipole Expansion of the Memory Effect

TL;DR

This paper explores the expansion of memory effects in QED and gravity using spin multipoles through two-dimensional dual models, providing a new perspective on soft dynamics.

Contribution

It introduces a spin multipole expansion approach to analyze memory effects in dual models of soft dynamics in QED and gravity.

Findings

Spin multipole expansion effectively characterizes memory effects.

Dual models reveal new insights into soft dynamics.

Potential applications in gravitational wave physics.

Abstract

Using two-dimensional duals of soft dynamics in QED and gravity, we perform an expansion of the respective memory effects in spin multipoles.