Topological magnon insulators in two-dimensional van der Waals ferromagnets CrSiTe3 and CrGeTe3: Toward intrinsic gap-tunability
The bosonic analogs of topological insulators have been proposed in numerous theoretical
works, but their experimental realization is still very rare, especially for spin systems …
works, but their experimental realization is still very rare, especially for spin systems …
Topological magnon insulator spin excitations in the two-dimensional ferromagnet
Topological magnons are bosonic analogues of topological fermions in electronic systems.
They have been studied extensively by theory but rarely realized by experiment. Here, by …
They have been studied extensively by theory but rarely realized by experiment. Here, by …
Breakdown of chiral edge modes in topological magnon insulators
Topological magnon insulators (TMI) are ordered magnets supporting chiral edge magnon
excitations. These edge states are envisioned to serve as topologically protected information …
excitations. These edge states are envisioned to serve as topologically protected information …
Flavor-wave theory with quasiparticle damping at finite temperatures: Application to chiral edge modes in the Kitaev model
We propose a theoretical framework to investigate elementary excitations at finite
temperatures within a localized electron model that describes the interactions between …
temperatures within a localized electron model that describes the interactions between …
Stacking-dependent topological magnons in bilayer
Motivated by the potential of atomically thin magnets towards achieving tunable high-
frequency magnonics, we detail the spin-wave dispersion of bilayer CrI 3. We demonstrate …
frequency magnonics, we detail the spin-wave dispersion of bilayer CrI 3. We demonstrate …
Magnon corner states in twisted bilayer honeycomb magnets
The study of symmetry-protected topological phases of matter has been extended from
fermionic electron systems to various bosonic systems. Bosonic topological magnon phases …
fermionic electron systems to various bosonic systems. Bosonic topological magnon phases …
[HTML][HTML] Strain engineering of magnetic exchange and topological magnons in chromium trihalides from first-principles
DL Esteras, JJ Baldoví - Materials Today Electronics, 2023 - Elsevier
Recent experiments evidence the direct observation of spin waves in chromium trihalides
and the presence of a gap at the Dirac points of the magnon dispersion in bulk CrI 3 …
and the presence of a gap at the Dirac points of the magnon dispersion in bulk CrI 3 …
Tunable magnon topology in monolayer under external stimuli
M Soenen, MV Milošević - Physical Review Materials, 2023 - APS
Two-dimensional (2D) honeycomb ferromagnets, such as monolayer chromium trihalides,
are predicted to behave as topological magnon insulators, characterized by an insulating …
are predicted to behave as topological magnon insulators, characterized by an insulating …
Topological magnon gap engineering in van der Waals ferromagnets
V Brehm, P Sobieszczyk, JN Kløgetvedt, RFL Evans… - Physical Review B, 2024 - APS
The microscopic origin of the topological magnon band gap in CrI 3 ferromagnets has been
a subject of controversy for years since two main models with distinct characteristics, ie …
a subject of controversy for years since two main models with distinct characteristics, ie …
Toroidal magnetic molecules stripped to their basics
D Pister, K Irländer, D Westerbeck, J Schnack - Physical Review Research, 2022 - APS
Molecular magnetic toroidal moments are molecule-based structures of quantum spins that
are expected to boost magnetic storage technology and quantum computing. We study …
are expected to boost magnetic storage technology and quantum computing. We study …