Conformal invariance of the subleading soft theorem in gauge theory

In this note, I show that the recently proposed subleading soft factor in massless gauge theory uniquely follows from conformal symmetry of tree-level gauge theory amplitudes in four dimensions.

Bibliographic Details
Main Author: Larkoski, Andrew
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics
Format: Article
Language:English
Published: American Physical Society 2014
Online Access:http://hdl.handle.net/1721.1/90620
https://orcid.org/0000-0002-3181-4301