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cond-mat.mes-hall2025
Reinforcement-Learning-Designed Field-Free Sub-Nanosecond Spin-Orbit-Torque Switching
Yuta Igarashi, Junji Fujimoto
We demonstrate deterministic, field-free magnetization reversal of a single-domain nanomagnet within 300 ps under a current density of by coupling…
cond-mat.mes-hall2025
Magnetic Moment vs Angular Momentum: Spin Hall Response in Bismuth
Junji Fujimoto, Yuki Izaki, Yuki Fuseya
Spin currents can carry either spin angular momentum or its associated magnetic moment, which are no longer strictly proportional in multiband systems. Using a multiband $k \cdot p…