Infrared behavior of three-point functions in Landau gauge Yang–Mills theory |
| |
Authors: | R Alkofer M Q Huber and K Schwenzer |
| |
Institution: | 1.Institut für Physik,Karl-Franzens Universit?t Graz,Graz,Austria;2.Department of Physics,Washington University,St. Louis,USA |
| |
Abstract: | Analytic solutions for the three-gluon and ghost–gluon vertices in Landau gauge Yang–Mills theory at low momenta are presented
in terms of hypergeometric series. They do not only show the expected scaling behavior but also additional kinematic divergences
when only one momentum goes to zero. These singularities, which have also been proposed previously, induce a strong dependence
on the kinematics in many dressing functions. The results are generalized to two and three dimensions and a range of values
for the ghost propagator’s infrared exponent κ. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|