3 papers
hep-th2025
Difference Equations: from Berry Connections to the Coulomb Branch
Andrea E. V. Ferrari, Daniel Zhang
In recent work, we demonstrated that a spectral variety for the Berry connection of a 2d GLSM with Kähler vacuum moduli space and abelian flavour symmetry…
hep-th2025
On Spectral Data for Berry Connections, Difference Equations & Equivariant Quantum Cohomology
Andrea E. V. Ferrari, Daniel Zhang
We study supersymmetric Berry connections of 2d gauged linear sigma models (GLSMs) quantized on a circle, which are periodic monopoles, with the aim to provide…
hep-th2025
Berry Connections for 2d Theories, Monopole Spectral Data & (Generalised) Cohomology Theories
Andrea E. V. Ferrari, Daniel Zhang
We study Berry connections for supersymmetric ground states of 2d GLSMs quantised on a circle, which are generalised periodic monopoles. Periodic monopole solut…