On the existence of affine Landau-Ginzburg phases in gauged linear sigma models

TL;DR

This paper establishes a straightforward criterion to determine when an affine Landau-Ginzburg phase exists within the Kähler moduli space of gauged linear sigma models, aiding in understanding their phase structure.

Contribution

It provides a new, simple criterion for the existence of affine Landau-Ginzburg points in gauged linear sigma models.

Findings

Criterion for affine Landau-Ginzburg phase existence

Simplifies analysis of phase structure in GLSMs

Enhances understanding of moduli space regions

Abstract

We prove a simple criterion for the existence of an affine Landau-Ginzburg point in the K\"ahler moduli space of a gauged linear sigma model.