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
Masashi Kawasaki
Graduate School of Engineering
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

Related links

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).

Related patents

Method and device for spin current generator
Naoto Nagaosa, Motohiko Ezawa, Keita Hamamoto
Japanese Patent 2018-117104


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