Anomaly mediation deformed by axion

TL;DR

This paper demonstrates that in supersymmetric axion models, the axion supermultiplet's F-term significantly alters gaugino masses, modifying anomaly mediation predictions and offering a potential solution to the strong CP problem.

Contribution

It reveals how axion dynamics in supersymmetric models can substantially modify anomaly-mediated gaugino masses, providing new insights into supersymmetry breaking effects.

Findings

Gaugino masses are comparable to anomaly mediation in these models.

The gaugino mass relation can be significantly altered by axion effects.

This mechanism offers a potential solution to the strong CP problem.

Abstract

We show that in supersymmetric axion models the axion supermultiplet obtains a sizable F-term due to a non-supersymmetric dynamics and it generally gives the gaugino masses comparable to the anomaly mediation contribution. Thus the gaugino mass relation predicted by the anomaly mediation effect can be significantly modified in the presence of axion to solve the strong CP problem.