Contraction and decomposition matrices for vacuum diagrams
High Energy Physics - Theory
2009-11-07 v1
Abstract
Tensor reduction of vacuum diagrams uses contraction and decomposition matrices. We present general recurrence relations for the calculation of those matrices and an explicit formula for the 3-loop decomposition matrix and its determinant.
Cite
@article{arxiv.hep-th/0105073,
title = {Contraction and decomposition matrices for vacuum diagrams},
author = {K. Knecht and H. Veschelde},
journal= {arXiv preprint arXiv:hep-th/0105073},
year = {2009}
}
Comments
10 pages