Exchange magnon-polaritons in microwave cavities

Journal article (2015)
Department
QN/Quantum Nanoscience (AS) (TU Delft)
Copyright: © 2015 American Physical Society
DOI: https://doi.org/doi:10.1103/PhysRevB.91.094423
More Info
expand_more

Published Date

24-03-2015

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Source:

Physical Review B, 91 (9), 2015

Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Abstract

We formulate a scattering theory to study magnetic films in microwave cavities beyond the independent-spin and rotating-wave approximations of the Tavis-Cummings model. We demonstrate that strong coupling can be realized not only for the ferromagnetic resonance mode, but also for spin-wave resonances; the coupling strengths are mode dependent and decrease with increasing mode index. The strong-coupling regime can also be accessed electrically by spin pumping into a metal contact.

Files

Cao_2015.pdf
(pdf | 0.578 Mb)