3 papers
quant-ph2026
Zak phase and bulk-boundary correspondence in a generalized Dirac-Kronig-Penney model
Giuliano Angelone, Domenico Monaco, Gabriele Peluso
We investigate the topological properties of a generalized Dirac--Kronig--Penney model, a continuum one-dimensional model for a relativistic quantum chain. By tuning the coupling p…
math-ph2025
Splitting obstructions and invariants in time-reversal symmetric topological insulators
Alessandro Ferreri, Domenico Monaco, Gabriele Peluso
The Fu-Kane-Mele index characterizes two-dimensional time-reversal symmetric topological phases of matter. We shed some light on some features of this index by inves…
math-ph2024
Near linearity of the macroscopic Hall current response in infinitely extended gapped fermion systems
Marius Wesle, Giovanna Marcelli, Tadahiro Miyao +2
We consider an infinitely extended system of fermions on a -dimensional lattice with (magnetic) translation-invariant short-range interactions. We further assume that the system…