Anomaly mediation in local effective theories

Michael Dine, Patrick Draper

Research output: Contribution to journalArticle

Abstract

The phenomenon known as "anomaly mediation" can be understood in a variety of ways. Rather than an anomaly, certain gaugino bilinear terms are required by local supersymmetry and gauge invariance (the derivation of these terms is in some cases related to anomalies in scale invariance or R symmetries). We explain why the gaugino bilinear is required in supersymmetric gauge theories with varying number of colors and flavors. By working in the Higgs phase, gauging a flavor group, or working below the scale of gaugino condensation, each of these theories has a local effective description in which we can identify the bilinear term, establishing its necessity in the microscopic theory. For example, in theories that exhibit gaugino condensation, the potential in the very low energy theory is supersymmetric precisely due to the relation between the nonperturbative superpotential and the gaugino bilinear terms. Similarly, the gravitino mass appears from its coupling to the gaugino bilinear.

Original languageEnglish (US)
Article number69
JournalJournal of High Energy Physics
Volume2014
Issue number2
DOIs
StatePublished - Feb 2014
Externally publishedYes

Keywords

  • Supergravity Models
  • Supersymmetric Effective Theories
  • Supersymmetry Breaking

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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