2 papers
cond-mat.mes-hall2019
Floquet-Drude conductivity
Martin Wackerl, Paul Wenk, John Schliemann
This letter presents a generalization of the Drude conductivity for systems which are exposed to periodic driving. The probe bias is treated perturbatively by using the Kubo formul…
cond-mat.mes-hall2018
Driven Hofstadter Butterflies and Related Topological Invariants
Martin Wackerl, Paul Wenk, John Schliemann
The properties of the Hofstadter butterfly, a fractal, self similar spectrum of a two dimensional electron gas, are studied in the case where the system is additionally illuminated…