Chiral Pumping of Spin Waves

Tao Yu, Yaroslav M. Blanter, Gerrit E.W. Bauer

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)


We report a theory for the coherent and incoherent chiral pumping of spin waves into thin magnetic films through the dipolar coupling with a local magnetic transducer, such as a nanowire. The ferromagnetic resonance of the nanowire is broadened by the injection of unidirectional spin waves that generates a nonequilibrium magnetization in only half of the film. A temperature gradient between the local magnet and film leads to a unidirectional flow of incoherent magnons, i.e., a chiral spin Seebeck effect.

Original languageEnglish
Article number247202
JournalPhysical Review Letters
Issue number24
Publication statusPublished - 2019 Dec 11


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