Chiral Coupling to Magnetodipolar Radiation
Book Chapter
(2021)
Author(s)
Tao Yu (Max Planck Institute for the Structure and Dynamics of Matter, Hamburg)
Gerrit E.W. Bauer (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences, Tohoku University)
Research Group
QN/Bauer Group
DOI related publication
https://doi.org/10.1007/978-3-030-62844-4_1
Final published version
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Publication Year
2021
Language
English
Research Group
QN/Bauer Group
Volume number
138
Pages (from-to)
1-23
Publisher
Springer
ISBN (electronic)
978-3-030-62844-1
Page Views
237
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.