Susycal - Symbolic computations in supersymmetric theories |超对称理论数据集|符号计算数据集
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Abstract
The calculation of supergraphs within the superfield-formalism entails complex expressions and numerous divergent integrals. This is even more so for non-covariant supergauges. SUSYCAL is a package of PASCAL procedures which is able to manipulate formulae and perform these calculations. The algebra of the non-covariant operators of the FD-gauge and the covariant derivatives is included in SUSYCAL as a fixed set of rules. This first version of SUSYCAL to be presented comprises also the (symbol...
Title of program: SUSYCAL
Catalogue Id: ABLW_v1_0
Nature of problem
Non-covariant gauges within the superfield formalism have several advantages over the covariant formulation. One of the most famous examples is the Wess-Zumino gauge where the dimensionless field is eliminated by the equations of motion. The algebra of covariant derivates is extended through the introduction of explicit Grassmann variables. This leads in most cases to much more complicated propagators. Using the Feynman rules to evaluate even simple graphs the integrations in superspace becomes ...
Versions of this program held in the CPC repository in Mendeley Data
ABLW_v1_0; SUSYCAL; 10.1016/0010-4655(90)90138-Q
This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)
创建时间：
2019-12-22
