Akiyoshi YAMADA

Akiyoshi YAMADA

D. Sci., Univ. of Electro-Commun., 2021
Assistant Professor

Research group: Theoretical Physics Group(Quantum Solid State Physics)
E-mail: a_yamadapeople.kobe-u.ac.jp

Research Description

The interaction between the magnetic fields and electrons in solids varies significantly depending on the strength of the magnetic field. In recent years, advances in pulsed power systems have made it possible to stably achieve unreachable high magnetic field regions with conventional superconducting magnets, allowing cyclotron energy of electrons to be comparable with their Fermi energy. By theoretically predicting the behavior of electrons propagating in such strong magnetic fields through a combination of
・semiclassical and quantum linear response theories, and
・calculations of electronic states under magnetic fields,
I aim to explore new aspects of "electric current" that emerge in the field.

Main Publications

• Akiyoshi Yamada and Yuki Fuseya,“Quantum-classical correspondence and dissipative to dissipationless crossover in magnetotransport phenomena”, Journal of Physics: Condensed Matter 36, 245702 (2024).
• Yuhao Ye, Akiyoshi Yamada, Yuto Kinoshita, Jinhua Wang, Pan Nie, Liangcai Xu, Huakun Zuo, Masashi Tokunaga, Neil Harrison, Ross D. McDonald, Alexey V. Suslov, Arzhang Ardavan,Moon-Sun Nam, David LeBoeuf, Cyril Proust, Benoît Fauqué, Yuki Fuseya, Zengwei Zhu, and Kamran Behnia, “High-field immiscibility of electrons belonging to adjacent twinned bismuth crystals.”, npj Quantum Materials 9, 12 (2024).
• Akiyoshi Yamada and Yuki Fuseya,“Negative magnetoresistance and sign change of the planar Hall effect due to negative off-diagonal effective mass in Weyl semimetals”, Physical Review B 105, 205207 (2022).
• Akiyoshi Yamada and Yuki Fuseya,“Angular dependence of magnetoresistance and planar Hall effect in semimetals in strong magnetic fields”, Physical Review B 103, 125148 (2021).