Topological Electronics Research Team Topological Electronics Research Team
Team Leader: Minoru Kawamura (Ph.D.)
Research Summary
We study various quantum transport phenomena in electronic systems in solids. In particular, we focus on thin film crystals and heterostructures of materials with non-trivial band structure topology and strong spin-orbit interactions, and study phenomena in which electronic correlation and/or geometrical phase play an important role. Through these studies, we aim to discover new quantum phenomena that will advance our understanding of condensed matter physics, and to explore electronic and spintronic functions using these phenomena, opening the door to new technologies.
Main Research Fields
- Mathematical & Physical Sciences
Related Research Fields
- Engineering
- Interdisciplinary Science & Engineering
- Semiconductors, optical properties of condensed matter and atomic physics-related
- Magnetism, superconductivity and strongly correlated systems-related
- Nanostructural physics-related
Keywords
- Topological insulator
- Topological superconductor
- Thin films and interfaces
- Quantum transport phenomena
- Anomalous Hall effect
Selected Publications
- 1.Kawamura, M., Mogi, M., Yoshimi, R., Morimoto, T., Takahashi, K. S., Tsukazaki, A., Nagaosa, N., Kawasaki, M., and Tokura, Y.:
"Laughlin charge pumping in a quantum anomalous Hall insulator"
Nat. Phys. 19, 333 (2023). - 2.Mogi, M., Okamura, Y., Kawamura, M., Yoshimi, R., Yasuda, K., Tsukazaki, A., Takahashi, K. S., Morimoto, T., Nagaosa, N., Kawasaki, M., Takahashi, Y., and Tokura, Y.:
"Experimental signature of the parity anomaly in a semi-magnetic topological insulator"
Nat. Phys. 18, 390 (2022). - 3.Okazaki, Y., Oe, T., Kawamura, M., Yoshimi, R., Nakamura, S., Takada, S., Mogi, M., Takahashi, K. S., Tsukazaki, A., Kawasaki, M., Tokura, Y., and Kaneko, N. -H.:
"Quantum anomalous Hall effect with a permanent magnet defines a quantum resistance standard"
Nat. Phys. 18, 25 (2022). - 4.Kawamura, M., Mogi, M., Yoshimi, R., Tsukazaki, A., Kozuka, Y., Takahashi, K. S., Kawasaki, M., and Tokura, Y.:
"Topological quantum phase transition in magnetic topological insulator upon magnetization rotation"
Phys. Rev. B 98, 140404 (2018). - 5.
Mogi, M., Kawamura, M., Yoshimi, R., Tsukazaki, A., Kozuka, Y., Shirakawa, N., Takahashi, K. S., Kawasaki, M., and Tokura, Y.:
"A magnetic heterostructure of topological insulators as a candidate for an axion insulator"
Nat. Mater. 16, 516 (2017).
Related Links
Lab Members
Principal investigator
- Minoru Kawamura
- Team Leader
Careers
| Position | Deadline |
|---|---|
| Seeking Research Scientists or Postdoctoral Researchers (W24004) | Open until filled |
Contact Information
Frontier Research Laboratory
2-1 Hirosawa,
Wako, Saitama
351-0198, Japan
Email: minoru [at] riken.jp