3 papers
cond-mat.mes-hall2022
Engineering ideal helical topological networks in stanene via Zn decoration
Jennifer Coulter, Mark R. Hirsbrunner, Oleg Dubinkin +2
The xene family of topological insulators plays a key role in many proposals for topological electronic, spintronic, and valleytronic devices. These proposals rely on applying loca…
cond-mat.mes-hall2019
Topology and Observables of the Non-Hermitian Chern Insulator
Mark R. Hirsbrunner, Timothy M. Philip, Matthew J. Gilbert
Topology plays a central role in nearly all disciplines of physics, yet its applications have so far been restricted to closed, lossless systems in thermodynamic equilibrium. Given…
cond-mat.mes-hall2018
Loss of Hall Conductivity Quantization in a Non-Hermitian Quantum Anomalous Hall Insulator
Timothy M. Philip, Mark R. Hirsbrunner, Matthew J. Gilbert
Recent work has extended topological band theory to open, non-Hermitian Hamiltonians, yet little is understood about how non-Hermiticity alters the topological quantization of asso…