A Worldsheet Approach to $\mathbf{\mathcal{N}=1}$ Heterotic Flux Backgrounds
A Worldsheet Approach to $\mathbf{\mathcal{N}=1}$ Heterotic Flux Backgrounds
Heterotic backgrounds with torsion preserving minimal supersymmetry in four dimensions can be obtained as orbifolds of principal $T^{2}$ bundles over $K3$. We consider a worldsheet description of these backgrounds as gauged linear sigma-models (GLSMs) with $(0,2)$ supersymmetry. Such a formulation provides a useful framework in order to address the resolution …