Coherent long-range transfer of angular momentum between magnon Kittel modes by phonons

An, Kyongmo; Litvinenko, Artem; Kohno, Ryuhei; A. Fuad, Aufa; V. Naletov, V.; Vila, L.; Ebels, U.; de Loubens, G.; Hurdequint, H.; Beaulieu, Nathan; Ben Youssef, J.; Vukadinovic, N.; Bauer, G.; N. Slavin, A.; S. Tiberkevich, V.; Klein, O.

doi:10.1103/physrevb.101.060407

Public

Coherent long-range transfer of angular momentum between magnon Kittel modes by phonons

Published in Physical review. B./Physical review. B • Feb 21, 2020

Authors:

Kyongmo An

Artem Litvinenko

Ryuhei Kohno

Abstract

From a ferromagnetic resonance experiment on a YIG|GGG|YIG crystal, phonons are shown to be able to provide coherent long-range coupling between two magnets, which act as ``microphones'' and ``speakers'' for acoustic waves to induce feedback interference over millimeter distances. In this ``phononic...

Subject

Condensed matter physics

Magnon

Phonon

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