Chiral Coupling to Magnetodipolar Radiation

Book chapter (2021)

Authors

T. Yu Max Planck Institute for the Structure and Dynamics of Matter, Hamburg
G.E. Bauer Tohoku University, Kavli institute of nanoscience Delft, QN/Bauer Group - AS
Research Group
QN/Bauer Group (AS) (TU Delft)
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Published Date

2021

Language

English

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Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Research Group

QN/Bauer Group

Abstract

We review and extend the theory of chiral pumping of spin waves by magnetodipolar stray fields that generate unidirectional spin currents and asymmetric magnon densities. We illustrate the physical principles by two kinds of chiral excitations of magnetic films, i.e., by the evanescent Oersted field of a narrow metallic stripline with an AC current bias and a magnetic nanowire under ferromagnetic resonance.

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