Full Fermion-Boson Vertex Function Derived in Terms of Symmetry Relations in Abelian Gauge Theory  

作　　者：HE Han-xin 

出　　处：《Annual Report of China Institute of Atomic Energy》2009年第1期139-139,共1页中国原子能科学研究院年报（英文版）

基　　金：Supported by National Natural Science Foundation of China (90303006)

摘　　要：Gauge symmetry imposes powerful constraints on the basic vertex functions of gauge theories,leading to the exact relations among Green's functions,referred to as the Ward-Takahashi (WT) relations.Gauge symmetry imposes powerful constraints on the basic vertex functions of gauge theories, leading to the exact relations among Green＇s functions, referred to as the Ward-Takahashi （WT） relations. They play an important role in proving the renormalizability of gauge theories as well as in the non-perturbative studies of gauge theories. But the normal WT identity for the vertex specifies only the longitudinal part of the vertex, leaving the transverse part undetermined.

关 键 词：对称性关系 点函数 玻色子 费米子 阿贝尔 格林函数 非微扰 野生型 

分 类 号：O571[理学—粒子物理与原子核物理] TP312[理学—物理]