将Bethe-Salpeter方程投影到光前并返回：简短综述
核理论
2011-04-22 v1 高能物理 - 唯象学
摘要
本文简要阐述了将四维两体Bethe-Salpeter方程投影到三维光前超曲面的技术，并结合了准势方法，特别强调了投影方法与光前波函数价分量有效动力学之间的关系。将介绍如何构建i) 光前有效相互作用和ii) 满足适当Ward-Takahashi恒等式的电磁流算符的Fock展开的细节，并讨论光前超曲面上算符中Fock内容的相关性。最后，将概述该形式到三粒子情况的推广。
引用
@article{arxiv.1011.1850,
title = {Projecting the Bethe-Salpeter Equation onto the Light-Front and back: A Short Review},
author = {Tobias Frederico and Giovanni Salme`},
journal= {arXiv preprint arXiv:1011.1850},
year = {2011}
}
备注
16 pages, macros included. Mini-review to be printed in a regular issue of Few-Body Systems devoted to the Workshop on "Relativistic Description of Two- and Three-body Systems in Nuclear Physics" ECT* Trento, 19 - 23 October 2009