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Updated: Sep 25, 2025
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Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
Published on: June 28, 2018
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Theory of Emergent Inductance with Spin-Orbit Coupling Effects
Yuta Yamane1,2, Shunsuke Fukami2,3,4,5,6, Jun'ichi Ieda7
1Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980-8578, Japan.
Physical Review Letters
|April 27, 2022
Summary
We introduce spin-orbit emergent inductance, a new phenomenon in magnetic materials. This discovery enables stable operation across wide temperatures and frequencies for spintronics applications.
Area of Science:
- Condensed Matter Physics
- Spintronics
- Quantum Magnetism
Background:
- Emergent inductance has been observed in spiral magnets.
- Spin-orbit couplings are crucial in materials lacking spatial inversion symmetry.
Purpose of the Study:
- To extend the theory of emergent inductance to arbitrary magnetic textures.
- To introduce and define spin-orbit emergent inductance.
Main Methods:
- Theoretical extension of emergent inductance theory.
- Incorporation of spin-orbit couplings in magnetic systems.
- Formulation of spin-orbit emergent inductance via dynamical Aharonov-Casher phase.
Main Results:
- Spin-orbit emergent inductance universally arises in magnets with spin-orbit couplings.
- This phenomenon is independent of magnetization uniformity.
- Stable operation is achievable across a wide range of temperatures and frequencies.
Conclusions:
- The new concept of spin-orbit emergent inductance offers a paradigm shift in spintronics.
- This work paves the way for ultrawideband spintronics-based power management.
- Revisiting ferromagnets with spatial inversion asymmetry through this new lens is recommended.
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