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Experimental Demonstration of Position-controllable Topological Interface States in High-frequency Topological Integrated Circuits by Iizuka, Tetsuya; Yuan, Haochen; Mita, Yoshio; Higo, Akio; Yasunaga, Shun; Ezawa, Motohiko is a scholarly article available to read on EtoBox.

What is Experimental Demonstration of Position-controllable Topological Interface States in High-frequency Topological Integrated Circuits about?

Topological integrated circuits are integrated-circuit realizations of topological systems. Here we show an experimental demonstration by taking the case of the Kitaev topological superconductor model. An integrated-circuit implementation enables us to realize high resonant frequency as high as 13GHz. We explicitly observe the spatial profile of a topological edge state. In particular, the topological interface state between a topological segment and a trivial segment is the Majorana-like state. We construct a switchable structure in the integrated circuit, which enables us to control the position of a Majorana-like interface state arbitrarily along a chain. Our results contribute to the development of topological electronics with high frequency integrated circuits.

Author

Iizuka, Tetsuya; Yuan, Haochen; Mita, Yoshio; Higo, Akio; Yasunaga, Shun; Ezawa, Motohiko

Published

2023

Language

EN