Berlin 2018 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 7: Topological insulators I (joint session HL/TT)

HL 7.13: Vortrag

Montag, 12. März 2018, 12:45–13:00, A 151

Topolectrical Band Structures — •Tobias Hofmann1, Tobias Helbig1, Ching Hua Lee2,3, and Ronny Thomale11Institute for Theoretical Physics and Astrophysics, University of Würzburg, Am Hubland, D-97074 Würzburg, Germany — 2Institute of High Performance Computing, A*STAR, Singapore, 138632 — 3Department of Physics, National University of Singapore, Singapore, 117542

Topolectrical circuits constitute a new avenue of topological states realized in a classical environment. With them, it is possible to reproduce band structures seen in models for topological insulators (TI) where the bands correspond to impedance (or admittance) eigenvalues. Because electrical circuits are more easily accessible than TIs, they are particularly suitable for studying topological states, reaching from the simplest models to non-hermitian and other types of rather “exotic” physics. In our talk, we illustrate the explicit measurement of topological band structures in the context of topolectrical circuits.

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DPG-Physik > DPG-Verhandlungen > 2018 > Berlin