Cavity-mediated level attraction and repulsion between magnons

JMP Nair, D Mukhopadhyay, GS Agarwal - Physical Review B, 2022 - APS
We characterize some of the distinctive hallmarks of magnon-magnon interaction mediated
by the intracavity field of a microwave cavity, along with their testable ramifications. In …

Level attraction and level repulsion of magnon coupled with a cavity anti-resonance

JW Rao, CH Yu, YT Zhao, YS Gui, XL Fan… - New Journal of …, 2019 - iopscience.iop.org
We report on coherent and dissipative coupling between a magnon mode and an anti-
resonance of transmission in a cylindrical microwave cavity. By effectively suppressing …

Linking magnon-cavity strong coupling to magnon-polaritons through effective permeability

P Hyde, L Bai, M Harder, C Dyck, CM Hu - Physical Review B, 2017 - APS
Strong coupling in cavity-magnon systems has shown great potential for use in spintronics
and information processing technologies due to the low damping rates and long coherence …

Cavity-mediated dissipative coupling of distant magnetic moments: Theory and experiment

PC Xu, JW Rao, YS Gui, X Jin, CM Hu - Physical Review B, 2019 - APS
We investigate long-range coherent and dissipative coupling between two spatially
separated magnets while both are coupled to a microwave cavity in the strong coupling limit …

The microscopic origin of magnon-photon level attraction by traveling waves: Theory and experiment

B Yao, T Yu, X Zhang, W Lu, Y Gui, CM Hu, YM Blanter - Physical Review B, 2019 - APS
The dissipative light-matter coupling can cause the attraction of two energy levels, ie, level
attraction, when competing with the coherent coupling that induces usual Rabi-level …

Level attraction due to dissipative magnon-photon coupling

M Harder, Y Yang, BM Yao, CH Yu, JW Rao, YS Gui… - Physical review …, 2018 - APS
We report dissipative magnon-photon coupling caused by the cavity Lenz effect, where the
magnons in a magnet induce a rf current in the cavity, leading to a cavity backaction that …

Cavity magnonics

BZ Rameshti, SV Kusminskiy, JA Haigh, K Usami… - Physics Reports, 2022 - Elsevier
Cavity magnonics deals with the interaction of magnons—elementary excitations in
magnetic materials—and confined electromagnetic fields. We introduce the basic physics …

Steering between level repulsion and attraction: broad tunability of two-port driven cavity magnon-polaritons

I Boventer, M Kläui, R Macêdo… - New Journal of …, 2019 - iopscience.iop.org
Cavity-magnon polaritons (CMPs) are the associated quasiparticles of the hybridization
between cavity photons and magnons in a magnetic sample placed in a microwave …

Microscopic origin of level attraction for a coupled magnon-photon system in a microwave cavity

I Proskurin, R Macêdo, RL Stamps - New Journal of Physics, 2019 - iopscience.iop.org
We discuss various microscopic mechanisms for level attraction in a hybridized magnon-
photon system of a ferromagnet in a microwave cavity. The discussion is based upon the …

Strong magnon–photon coupling within a tunable cryogenic microwave cavity

CA Potts, JP Davis - Applied Physics Letters, 2020 - pubs.aip.org
The ability to achieve strong-coupling has made cavity-magnon systems an exciting platform
for the development of hybrid quantum systems and the investigation of fundamental …