Exploring Softly Broken SUSY Theories via Grassmannian Taylor Expansion

Abstract

We demonstrate that soft SUSY breaking introduced via replacement of the couplings of a rigid theory by spurion superfields has far reaching consequences. Substituting these modified couplings into renormalization constants, RG equations, solutions to these equations, fixed points, finiteness conditions, etc., one can get corresponding relations for the soft terms by a simple Taylor expansion over the Grassmannian variables. This way one can get new solutions of the RG equations. Some examples including the MSSM, SUSY GUTs and the N=2 Seiberg-Witten model are given.

Latex, 10pp, no figures

References in corpus (5)

• Introduction to S-Duality in N=2 Supersymmetric Gauge Theory. (A pedagogical review of the work of Seiberg and Witten)
• The Gaugino β-Function
• Further all-loop results in softly-broken supersymmetric gauge theories
• Renormalizations in Softly Broken SUSY Gauge Theories
• Finiteness of Soft Terms in Finite N=1 SUSY Gauge Theories

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