Berlin 2018 – scientific programme

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HL: Fachverband Halbleiterphysik

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

HL 7.12: Talk

Monday, March 12, 2018, 12:30–12:45, A 151

Topolectrical Edge States — •Tobias Helbig¹, Tobias Hofmann¹, Ching Hua Lee^2,3, and Ronny Thomale¹ — ¹Institute 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

We report on the realization of one-dimensional topological states of matter within electrical circuits. At the example of the Su-Schrieffer-Heeger circuit, we elaborate how topological edge states and domain walls manifest themselves in the impedance read-out of a periodic electrical circuit. We further outline prospective generalizations and applications.