Topological magnons: A review

PA McClarty - Annual Review of Condensed Matter Physics, 2022 - annualreviews.org
At sufficiently low temperatures, magnetic materials often enter correlated phases hosting
collective, coherent magnetic excitations such as magnons or triplons. Drawing on the …

Quantum interactions in topological R166 kagome magnet

X Xu, JX Yin, Z Qu, S Jia - Reports on Progress in Physics, 2023 - iopscience.iop.org
Kagome magnet has been found to be a fertile ground for the search of exotic quantum
states in condensed matter. Arising from the unusual geometry, the quantum interactions in …

Dirac cone, flat band and saddle point in kagome magnet YMn6Sn6

M Li, Q Wang, G Wang, Z Yuan, W Song, R Lou… - Nature …, 2021 - nature.com
Kagome-lattices of 3 d-transition metals hosting Weyl/Dirac fermions and topological flat
bands exhibit non-trivial topological characters and novel quantum phases, such as the …

Abundant Lattice Instability in Kagome Metal

H Tan, B Yan - Physical review letters, 2023 - APS
Kagome materials are emerging platforms for studying charge and spin orders. In this Letter,
we have revealed a rich lattice instability in a Z 2 kagome metal ScV 6 Sn 6 by first-principles …

Competing magnetic phases and fluctuation-driven scalar spin chirality in the kagome metal YMn6Sn6

NJ Ghimire, RL Dally, L Poudel, DC Jones… - Science …, 2020 - science.org
Identification, understanding, and manipulation of novel magnetic textures are essential for
the discovery of new quantum materials for future spin-based electronic devices. In …

Field-induced topological Hall effect and double-fan spin structure with a -axis component in the metallic kagome antiferromagnetic compound

Q Wang, KJ Neubauer, C Duan, Q Yin, S Fujitsu… - Physical Review B, 2021 - APS
Geometric frustration in the kagome lattice makes it a great host for the flat electronic band,
nontrivial topological properties, and novel magnetism. Here, we use magnetotransport …

Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals

S Cheng, Z Ren, H Li, JS Oh, H Tan, G Pokharel… - npj Quantum …, 2024 - nature.com
Charge density waves (CDWs) in kagome metals have been tied to many exotic
phenomena. Here, using spectroscopic-imaging scanning tunneling microscopy and angle …

Interaction-stabilized topological magnon insulator in ferromagnets

A Mook, K Plekhanov, J Klinovaja, D Loss - Physical Review X, 2021 - APS
Condensed matter systems admit topological collective excitations above a trivial ground
state, an example being Chern insulators formed by Dirac bosons with a gap at finite …

Discovery of Topological Magnetic Textures near Room Temperature in Quantum Magnet TbMn6Sn6

Z Li, Q Yin, Y Jiang, ZZ Zhu, Y Gao, S Wang… - Advanced …, 2023 - Wiley Online Library
The study of topology in quantum materials has fundamentally advanced the understanding
in condensed matter physics and potential applications in next‐generation quantum …

Breakdown of chiral edge modes in topological magnon insulators

J Habel, A Mook, J Willsher, J Knolle - Physical Review B, 2024 - APS
Topological magnon insulators (TMI) are ordered magnets supporting chiral edge magnon
excitations. These edge states are envisioned to serve as topologically protected information …