On the symmetry foundation of double soft theorems
Published in JHEP, 2017, 2017
Recommended citation: Li, Zhi-Zhong, Hung-Hwa Lin, and Shun-Qing Zhang. "On the symmetry foundation of double soft theorems." Journal of High Energy Physics 2017.12 (2017): 1-45. https://link.springer.com/article/10.1007/JHEP12(2017)032
Symmetry information can be extracted from soft limit of scattering amplitudes. We explore the double soft limit, with two soft particles, and show that additional information is extracted compared to single soft theorems.