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 …

Heisenberg–Kitaev physics in magnetic fields

L Janssen, M Vojta - Journal of Physics: condensed matter, 2019 - iopscience.iop.org
Magnetic insulators in the regime of strong spin–orbit coupling exhibit intriguing behaviors in
external magnetic fields, reflecting the frustrated nature of their effective interactions. We …

Dominant Kitaev interactions in the honeycomb materials and

AL Sanders, RA Mole, J Liu, AJ Brown, D Yu, CD Ling… - Physical Review B, 2022 - APS
Cobaltates with 3 d based layered honeycomb structure were recently proposed as Kitaev
magnets and putative candidates to host the long-sought Kitaev spin liquid. Here we present …

Ferrimagnetism and anisotropic phase tunability by magnetic fields in

W Yao, Y Li - Physical Review B, 2020 - APS
Na 2 Co 2 TeO 6 has recently been proposed to be a Kitaev-like honeycomb magnet. To
assess how close it is to realizing Kitaev quantum spin liquids, we have measured …

Thermodynamic Evidence of Proximity to a Kitaev Spin Liquid in

F Bahrami, W Lafargue-Dit-Hauret, OI Lebedev… - Physical Review Letters, 2019 - APS
Kitaev magnets are materials with bond-dependent Ising interactions between localized
spins on a honeycomb lattice. Such interactions could lead to a quantum spin-liquid (QSL) …

Dynamic Spin Correlations in the Honeycomb Lattice Measured by Resonant Inelastic x-Ray Scattering

J Kim, J Chaloupka, Y Singh, JW Kim, BJ Kim, D Casa… - Physical Review X, 2020 - APS
A Kitaev quantum spin liquid is a prime example of novel quantum magnetism of spin-orbit
entangled pseudospin-1/2 moments in a honeycomb lattice. Most candidate materials such …

Modified Curie-Weiss law for magnets

Y Li, SM Winter, DAS Kaib, K Riedl, R Valentí - Physical Review B, 2021 - APS
In spin-orbit-coupled magnetic materials, the usually applied Curie-Weiss law can break
down. This is due to potentially sharp temperature dependence of the local magnetic …

Scale-invariant magnetic anisotropy in RuCl3 at high magnetic fields

KA Modic, RD McDonald, JPC Ruff, MD Bachmann… - Nature Physics, 2021 - nature.com
In RuCl3, inelastic neutron scattering and Raman spectroscopy reveal a continuum of non-
spin-wave excitations that persists to high temperature, suggesting the presence of a spin …

Easy-plane anisotropic-exchange magnets on a honeycomb lattice: Quantum effects and dealing with them

PA Maksimov, AL Chernyshev - Physical Review B, 2022 - APS
We provide analytical and numerical insights into the phase diagram and other properties of
the extended Kitaev-Heisenberg model on the honeycomb lattice in the easy-plane limit, in …

Spin dynamics and field-induced magnetic phase transition in the honeycomb Kitaev magnet

S Choi, S Manni, J Singleton, CV Top**, T Lancaster… - Physical Review B, 2019 - APS
The layered honeycomb iridate α-Li 2 IrO 3 displays an incommensurate magnetic structure
with counter-rotating moments on nearest-neighbor sites, proposed to be stabilized by …