2 papers
hep-th2020
Chern-Simons Invariants and Heterotic Superpotentials
Lara B. Anderson, James Gray, Andre Lukas +1
The superpotential in four-dimensional heterotic effective theories contains terms arising from holomorphic Chern-Simons invariants associated to the gauge and tangent bundles of t…
hep-th2019
Jumping Spectra and Vanishing Couplings in Heterotic Line Bundle Standard Models
James Gray, Juntao Wang
We study two aspects of the physics of heterotic Line Bundle Standard Models on smooth Calabi-Yau threefolds. First, we investigate to what degree modern moduli stabilization scena…