String junctions in flag manifold sigma model

TL;DR

This paper numerically constructs a stable Y-shaped three-string junction within a flag manifold nonlinear sigma model on SU(3)/U(1)^2, demonstrating a novel configuration in this theoretical framework.

Contribution

It introduces the first numerical construction of a stable three-string junction in a flag manifold sigma model, expanding understanding of string configurations in such models.

Findings

Successful numerical construction of a stable Y-shaped string junction.

Demonstration of the existence of complex string configurations in flag manifold sigma models.

Insights into the stability conditions of string junctions in nonlinear sigma models.

Abstract

We numerically construct a stable three-string junction of Y-shape in a flag manifold nonlinear sigma model on $SU(3)/U(1)^2$.