Beyond Kitaev physics in strong spin-orbit coupled magnets

I Rousochatzakis, NB Perkins, Q Luo… - Reports on Progress in …, 2024 - iopscience.iop.org
We review the recent advances and current challenges in the field of strong spin-orbit
coupled Kitaev materials, with a particular emphasis on the physics beyond the exactly …

Interplay of Kitaev Interaction and Off-diagonal Exchanges: Exotic Phases and Quantum Phase Diagrams

Q Luo, J Zhao, X Wang - Chinese Physics Letters, 2024 - iopscience.iop.org
Aligning with the everlasting search for quantum spin liquids (QSLs), identifying the QSL in
Kitaev magnets has garnered great research interest during the past decade and remains …

Flavor-wave theory with quasiparticle damping at finite temperatures: Application to chiral edge modes in the Kitaev model

S Koyama, J Nasu - Physical Review B, 2023 - APS
We propose a theoretical framework to investigate elementary excitations at finite
temperatures within a localized electron model that describes the interactions between …

Skyrmion crystals in centrosymmetric triangular magnets under hexagonal and trigonal single-ion anisotropy

S Hayami - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
We theoretically report an instability toward a skyrmion crystal in centrosymmetric magnets
under hexagonal and trigonal single-ion anisotropy. The results are obtained for a minimal …

Chiral spin state and nematic ferromagnet in the spin-1 Kitaev- model

Q Luo, J Zhao, J Li, X Wang - Physical Review B, 2024 - APS
The higher-spin Kitaev magnets, in which the Kitaev interaction and off-diagonal exchange
couplings are overwhelmingly large, have emerged as a fertile avenue to explore exotic …

Double- and quadruple- instabilities at low-symmetry ordering wave vectors under tetragonal symmetry

S Hayami - Physical Review B, 2024 - APS
Multiple-Q states are expressed as a superposition of spin density waves at multiple
ordering wave vectors, which results in unconventional complicated spin textures, such as …

Controlled Separation of Skyrmions and Antiskyrmions by Kitaev Interaction

S Guan, W Duan, X Zou - Nano Letters, 2024 - ACS Publications
As topological quasi-particles in magnetic materials, skyrmions and antiskyrmions show
potential in spintronics for information storage and computing. However, effectively …

Complex orders and chirality in the classical Kitaev- model

PP Stavropoulos, Y Yang, I Rousochatzakis… - Physical Review B, 2024 - APS
It is well recognized that the low-energy physics of many Kitaev materials is governed by two
dominant energy scales, the Ising-type Kitaev coupling K and the symmetric off-diagonal Γ …

Spontaneous dimerization, spin-nematic order, and deconfined quantum critical point in a spin-1 Kitaev chain with tunable single-ion anisotropy

Q Luo, S Hu, J Li, J Zhao, HY Kee, X Wang - Physical Review B, 2023 - APS
Kitaev-type spin chains have been demonstrated to be fertile playgrounds in which exotic
phases and unconventional phase transitions are ready to appear. In this work, we use the …

Emergence of vortex state in the Kitaev-Heisenberg model with single-ion anisotropy

A Singhania, J van den Brink, S Nishimoto - Physical Review Research, 2024 - APS
The search for Kitaev spin liquid states has recently broadened to include a number of
honeycomb materials with integer spin moments. The qualitative difference with their spin …