Quantum Technology Based on Heterostructured Topological Insulators

2.1 Quantum bits, memories, devices(Superconducting circuits, Ion trapping, Trapped cold atoms, Photons, Quantum dots, etc.)
2.3 Quantum materials(Topological materials/Thermoelectric devices/Functional materials)
2.5 Quantum wiring/Quantum electronics/Electronics for Quantum Information

Category of registered projects $${r2018_SETTINGS.langTextNewWindow}$

Masashi Kawasaki

Graduate School of Engineering

Professor

Topological insulators with a non-trivial band structure can host a dissipation-less edge current under ferromagnetic states. The detection and control of this edge current are investigated to establish the basis for future low-energy dissipation electronics.

Schematics of quantum anomalous Hall effect
Copyright owned by Kawasaki group

Magnetoresistance exhibiting quantum anomalous Hall effect
Copyright owned by Kawasaki group

Research collaborators

Yoshinori Tokura
Motohiko Ezawa
Naoto Nagaosa

Related publications

“Quantized chiral edge conduction on domain walls of a magnetic topological insulator”
K. Yasuda, M. Mogi, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, F. Kagawa, Y. Tokura
Science 358, 1311 (2017).