2 papers
math-ph2023
Footprint of a topological phase transition on the density of states
Joris De Moor, Christian Sadel, Hermann Schulz-Baldes
For a generalized Su-Schrieffer-Heeger model the energy zero is always critical and hyperbolic in the sense that all reduced transfer matrices commute and have their spectrum off t…
math-ph2022
Partially hyperbolic random dynamics on Grassmannians
Joris De Moor, Florian Dorsch, Hermann Schulz-Baldes
A sequence of invertible matrices given by a small random perturbation around a fixed diagonal partially hyperbolic matrix induces a random dynamics on the Grassmann manifolds. Und…