The two-loop n-point all-plus helicity amplitude

TL;DR

This paper presents a compact analytic formula for the polylogarithmic component of the two-loop n-point all-plus helicity amplitude in gauge theory, advancing the understanding of multi-loop scattering amplitudes.

Contribution

It introduces a new compact expression for the polylogarithmic part of the two-loop all-plus helicity amplitude, simplifying calculations in gauge theory.

Findings

Provides a closed-form expression for the polylogarithmic part

Simplifies the computation of two-loop amplitudes

Enhances analytical understanding of gauge theory amplitudes

Abstract

We propose a compact analytic expression for the polylogarithmic part of the n-point two-loop all-plus helicity amplitude in gauge theory.