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 …

Hunting Majorana fermions in Kitaev magnets

Y Motome, J Nasu - Journal of the Physical Society of Japan, 2020 - journals.jps.jp
A Majorana fermion is a fermionic particle that is its own antiparticle. Since the theoretical
discovery by Ettore Majorana in 1937, the exotic particle has long been searched in particle …

Planar thermal Hall effect of topological bosons in the Kitaev magnet α-RuCl3

P Czajka, T Gao, M Hirschberger, P Lampen-Kelley… - Nature Materials, 2023 - nature.com
The honeycomb magnet α-RuCl3 has attracted considerable interest because it is proximate
to the Kitaev Hamiltonian whose excitations are Majoranas and vortices. The thermal Hall …

Half-integer quantized anomalous thermal Hall effect in the Kitaev material candidate α-RuCl3

T Yokoi, S Ma, Y Kasahara, S Kasahara, T Shibauchi… - Science, 2021 - science.org
Half-integer thermal quantum Hall conductance has recently been reported for the two-
dimensional honeycomb material α-RuCl3. We found that the half-integer thermal Hall …

Geometrical frustration versus Kitaev interactions in BaCo2(AsO4)2

T Halloran, F Desrochers, EZ Zhang… - Proceedings of the …, 2023 - National Acad Sciences
Recently, Co-based honeycomb magnets have been proposed as promising candidate
materials to host the Kitaev spin liquid (KSL) state. One of the front-runners is BaCo2 (AsO4) …

A magnetic continuum in the cobalt-based honeycomb magnet BaCo2(AsO4)2

X Zhang, Y Xu, T Halloran, R Zhong, C Broholm… - Nature Materials, 2023 - nature.com
Quantum spin liquids (QSLs) are topologically ordered states of matter that host
fractionalized excitations. A particular route towards a QSL is via strongly bond-dependent …

Magnetic ground state of the Kitaev spin liquid candidate

W Yao, Y Zhao, Y Qiu, C Balz, JR Stewart, JW Lynn… - Physical Review …, 2023 - APS
As a candidate Kitaev material, Na 2 Co 2 TeO 6 exhibits intriguing magnetism on a
honeycomb lattice that is believed to be C 3 symmetric. Here we report a neutron diffraction …

Microscopic mechanism for a higher-spin Kitaev model

PP Stavropoulos, D Pereira, HY Kee - Physical review letters, 2019 - APS
The spin S= 1 2 Kitaev honeycomb model has attracted significant attention since emerging
candidate materials have provided a playground to test non-Abelian anyons. The Kitaev …

Magnon bound states versus anyonic Majorana excitations in the Kitaev honeycomb magnet α-RuCl3

D Wulferding, Y Choi, SH Do, CH Lee… - Nature …, 2020 - nature.com
The pure Kitaev honeycomb model harbors a quantum spin liquid in zero magnetic fields,
while applying finite magnetic fields induces a topological spin liquid with non-Abelian …

Giant Magnetic In-Plane Anisotropy and Competing Instabilities in

X Li, Y Gu, Y Chen, VO Garlea, K Iida, K Kamazawa… - Physical Review X, 2022 - APS
We report magnetometry data obtained on twin-free single crystals of Na 3 Co 2 SbO 6,
which is considered a candidate material for realizing the Kitaev honeycomb model for …