Non-Hermitian topological magnonics

T Yu, J Zou, B Zeng, JW Rao, K Xia - Physics Reports, 2024 - Elsevier
Dissipation in mechanics, optics, acoustics, and electronic circuits is nowadays recognized
to be not always detrimental but can be exploited to achieve non-Hermitian topological …

Magnetically-dressed CrSBr exciton-polaritons in ultrastrong coupling regime

T Wang, D Zhang, S Yang, Z Lin, Q Chen… - Nature …, 2023 - nature.com
Over the past few decades, exciton-polaritons have attracted substantial research interest
due to their half-light-half-matter bosonic nature. Coupling exciton-polaritons with magnetic …

A review of common materials for hybrid quantum magnonics

X Zhang - Materials Today Electronics, 2023 - Elsevier
Hybrid magnonics is an emerging research area focusing on various types of interactions
between magnons (quantized collective spin excitations) and other information carriers …

Terahertz field-induced nonlinear coupling of two magnon modes in an antiferromagnet

Z Zhang, FY Gao, JB Curtis, ZJ Liu, YC Chien… - Nature Physics, 2024 - nature.com
Magnons are quantized collective spin-wave excitations in magnetically ordered materials.
Revealing the interactions among these collective modes is crucial for the understanding of …

Significant suppression of two-magnon scattering in ultrathin Co by controlling the surface magnetic anisotropy at the Co/nonmagnet interfaces

S Yoshii, K Kato, E Shigematsu, R Ohshima, Y Ando… - Physical Review B, 2022 - APS
To enable suppression of two-magnon scattering (TMS) in nanometer-thick Co (ultrathin Co)
layers and realize low-magnon damping in such layers, the magnon damping in ultrathin Co …

Design of controllable magnon frequency comb in synthetic ferrimagnets

Y Liu, T Liu, Q Yang, G Tian, Z Hou, D Chen, Z Fan… - Physical Review B, 2024 - APS
The magnon frequency comb provides opportunities for exploring magnon nonlinear effects
and measuring the transmission magnon frequency in magnets, whose controllability …

Layer-dependent magnon-magnon coupling in a synthetic antiferromagnet

Y Rong, C Jiang, H Wang, L Sun, F Liu, J Lu, T Wu… - Physical Review …, 2024 - APS
The synthetic antiferromagnet (SAF) offers a versatile platform to couple with various
quasiparticles that is an indispensable element for the realization of hybrid quantum …

Nonlinear enhancement of coherent magnetization dynamics

M Elyasi, K Yamamoto, T Hioki, T Makiuchi, H Shimizu… - Physical Review B, 2024 - APS
Magnets are interesting materials for classical and quantum information technologies.
However, the short decoherence and dephasing times that determine the scale and speed …

Significant modulation of Gilbert damping in ultrathin ferromagnetic films by altering the surface magnetic anisotropy

S Yoshii, M Müller, H Inoue, R Ohshima, M Althammer… - Physical Review B, 2024 - APS
The ability to control the Gilbert damping which determines the lifetime of spin information is
crucial for designing spintronic and magnonic devices. Thus, controlling the Gilbert damping …

Direct observation of current-induced nonlinear spin torque in Pt-Py bilayers

T Kodama, N Kikuchi, T Chiba, S Okamoto, S Ohno… - Physical Review B, 2024 - APS
We experimentally observe nonlinear spin torque in metallic bilayers of platinum and
permalloy by means of spin-torque ferromagnetic resonance (ST-FMR) under massive dc …