Non-Hermitian topological magnonics

T Yu, J Zou, B Zeng, JW Rao, K Xia - Physics Reports, 2024 - Elsevier
… approach in constructing magnonic non-Hermitian Hamiltonian, introduce the basic … the
non-Hermitian Hamiltonian approach based on the Lindbladian or self-energy of the magnonic

Electrical non-Hermitian control of topological magnon spin transport

PM Gunnink, RA Duine, A Mook - Physical Review B, 2024 - APS
… To realize non-Hermitian topology, magnonic systems offer a … with the development of
magnonic topological phases in the … versatility of non-Hermitian topology in magnonic systems, …

Non-Hermiticity and topological invariants of magnon Bogoliubov–de Gennes systems

H Kondo, Y Akagi, H Katsura - Progress of Theoretical and …, 2020 - academic.oup.com
topological … as magnonic analogs of two- and three-dimensional topological insulators in
class AII. We demonstrate analytically and numerically that the $$ \mathbb{Z}_2 $$ topological

[HTML][HTML] Non-Hermitian physics in magnetic systems

HM Hurst, B Flebus - Journal of Applied Physics, 2022 - pubs.aip.org
non-Hermitian frameworks to describe magnonic and hybrid … the topology of open dissipative
or dissipative-driven magnonic … While the field of non-Hermitian topological theories is still …

Non-Hermitian topology of spontaneous magnon decay

PA McClarty, JG Rau - Physical Review B, 2019 - APS
… In this Rapid Communication, we propose that magnonic systems may be a nearly ideal
platform to realize nonHermitian topological states. Topological magnon states have …

Non-Hermitian topology of one-dimensional spin-torque oscillator arrays

B Flebus, RA Duine, HM Hurst - Physical Review B, 2020 - APS
topological classification to non-Hermitian Hamiltonians provides a pathway to engineer
topological … Here, we propose a magnonic realization of a topological, non-Hermitian system. A …

Radiation-free and non-Hermitian topology inertial defect states of on-chip magnons

B Zeng, T Yu - Physical Review Research, 2023 - APS
… We note that our conclusions with magnonic emitters apply … defect state to the non-Hermitian
topology we trace a close … 4(d), and so is not affected by the non-Hermitian topology. As a …

Non-Hermitian control between absorption and transparency in perfect zero-reflection magnonics

J Qian, CH Meng, JW Rao, ZJ Rao, Z An, Y Gui… - Nature …, 2023 - nature.com
… By freely adjusting the frequency detuning between the two magnonic resonators and the …
of the reflection singularity in our non-Hermitian magnonic device make the system promising …

Topological magnonics

XS Wang, XR Wang - Journal of Applied Physics, 2021 - pubs.aip.org
… The topological magnon band is an interesting topic of magnonics, and nontrivial topology
the magnon spectra and the topological invariants characterizing the topology of the magnon …

Probing -Symmetry Breaking of Non-Hermitian Topological Photonic States via Strong Photon-Magnon Coupling

J Qian, J Li, SY Zhu, JQ You, YP Wang - Physical Review Letters, 2024 - APS
non-Hermitian topological SSH model with microwave resonators and achieved the control
of topological … in both Hermitian and non-Hermitian cases are demonstrated. The SPTB of the …