红外光子与渐近对称性
高能物理 - 理论
2021-10-13 v2
摘要
当散射过程中发射多个红外光子时，S 矩阵元表现出普适因式分解。我们明确表明，带有任意数量软光子发射的树级振幅的领头软因式分解可解释为规范理论渐近对称性的 Ward 恒等式。
引用
@article{arxiv.2107.03240,
title = {Infrared photons and asymptotic symmetries},
author = {Zhengwen Liu and Pujian Mao},
journal= {arXiv preprint arXiv:2107.03240},
year = {2021}
}
备注
10 pages, v2: minor revision with several issues clarified and comments added, typo corrected