# Two-loop Anomalous Dimensions for Four-Fermi Operators in Supersymmetric Theories

## TL;DR

This paper calculates two-loop anomalous dimensions for four-Fermi operators in supersymmetric theories, providing a general framework and applying it to flavor-changing operators in the MSSM.

## Contribution

It introduces a method to derive two-loop anomalous dimensions using the effective Kahler potential and applies it to supersymmetric models.

## Key findings

- Derived general two-loop anomalous dimensions for four-Fermi operators
- Applied results to flavor-changing operators in MSSM
- Provided a framework for supersymmetric gauge theories

## Abstract

We derive two-loop anomalous dimensions for four-Fermi operators in supersymmetric theories using the effective Kahler potential. We introduce the general forms in generic gauge theories and apply our results to the flavor-changing operators in (minimal) supersymmetric standard models.