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 …

Experimental signatures of quantum and topological states in frustrated magnetism

J Khatua, B Sana, A Zorko, M Gomilšek, K Sethupathi… - Physics Reports, 2023 - Elsevier
Frustration in magnetic materials arising from competing exchange interactions can prevent
the system from adopting long-range magnetic order and can instead lead to a diverse …

Robustness of the thermal Hall effect close to half-quantization in α-RuCl3

JAN Bruin, RR Claus, Y Matsumoto, N Kurita… - Nature Physics, 2022 - nature.com
A key feature of quantum spin liquids is the predicted formation of fractionalized excitations.
They are expected to produce changes in the physical response, providing a way to observe …

Evidence of a Phonon Hall Effect in the Kitaev Spin Liquid Candidate

É Lefrançois, G Grissonnanche, J Baglo… - Physical Review X, 2022 - APS
The material α-RuCl 3 has been the subject of intense scrutiny as a potential Kitaev
quantum spin liquid, predicted to display Majorana fermions as low-energy excitations. In …

Engineering and probing non-abelian chiral spin liquids using periodically driven ultracold atoms

BY Sun, N Goldman, M Aidelsburger, M Bukov - PRX Quantum, 2023 - APS
We propose a scheme to implement Kitaev's honeycomb model with cold atoms, based on a
periodic (Floquet) drive, in view of realizing and probing non-Abelian chiral spin liquids …

Thermodynamic evidence for a field-angle-dependent Majorana gap in a Kitaev spin liquid

O Tanaka, Y Mizukami, R Harasawa, K Hashimoto… - Nature Physics, 2022 - nature.com
The exactly solvable Kitaev model of two-dimensional honeycomb magnets has a quantum
spin liquid phase characterized by the emergence of fractionalized Majorana fermion …

Identification of magnetic interactions and high-field quantum spin liquid in α-RuCl3

H Li, HK Zhang, J Wang, HQ Wu, Y Gao, DW Qu… - Nature …, 2021 - nature.com
The frustrated magnet α-RuCl3 constitutes a fascinating quantum material platform that
harbors the intriguing Kitaev physics. However, a consensus on its intricate spin interactions …

Amorphous and polycrystalline routes toward a chiral spin liquid

AG Grushin, C Repellin - Physical Review Letters, 2023 - APS
We show that a chiral spin liquid spontaneously emerges in partially amorphous,
polycrystalline, or ion-irradiated Kitaev materials. In these systems, time-reversal symmetry …

An exact chiral amorphous spin liquid

G Cassella, P d'Ornellas, T Hodson… - Nature …, 2023 - nature.com
Topological insulator phases of non-interacting particles have been generalized from
periodic crystals to amorphous lattices, which raises the question whether topologically …

Magnetic anisotropy in spin-3/2 with heavy ligand in honeycomb Mott insulators: Application to

PP Stavropoulos, X Liu, HY Kee - Physical Review Research, 2021 - APS
Ferromagnetism in two-dimensional CrI 3 has generated a lot of excitement, and it was
recently proposed that the spin-orbit coupling (SOC) in iodine may generate bond …