Boundary Superpotentials

TL;DR

This paper derives explicit Lagrangians for boundary superpotential couplings in 5D orientifold models, providing insights relevant to realistic theories and discussing general aspects of M theory compactifications.

Contribution

It provides explicit formulations of boundary superpotentials in 5D orientifold setups, advancing the understanding of their role in model building.

Findings

Explicit Lagrangians for boundary superpotentials derived

Insights into orientifold compactifications of M theory

Relevance to quasi-realistic models of nature

Abstract

In this paper we work out explicit lagrangians describing superpotential coupling to the boundary of a 5D orientifold, as relevant to a number of quasi-realistic models of nature. We also make a number of general comments on orientifold compactifications of M theory.