Infrared Limit of Gluon Amplitudes at Strong Coupling
Abstract
Description
In this note, we propose that the infrared structure of gluon amplitudes at strong coupling can be fully extracted from a local consideration near cusps. This is consistent with field theory and correctly reproduces the infrared divergences of the four-gluon amplitude at strong coupling calculated recently by Alday and Maldacena.
10 pages, 2 figures; minor corrections, references added; typos corrected
10 pages, 2 figures; minor corrections, references added; typos corrected