Concept and realization of Kitaev quantum spin liquids

H Takagi, T Takayama, G Jackeli, G Khaliullin… - Nature Reviews …, 2019 - nature.com
The Kitaev model is an exactly solvable S= 1/2 spin model on a 2D honeycomb lattice, in
which the spins fractionalize into Majorana fermions and form a topological quantum spin …

Resonant inelastic X-ray scattering

FMF de Groot, MW Haverkort, H Elnaggar… - Nature Reviews …, 2024 - nature.com
Resonant inelastic X-ray scattering (RIXS) is a powerful technique that combines
spectroscopy and inelastic scattering to probe the electronic structure of materials. RIXS is …

Magnetic excitations in infinite-layer nickelates

H Lu, M Rossi, A Nag, M Osada, DF Li, K Lee… - Science, 2021 - science.org
The discovery of superconductivity in infinite-layer nickelates brings us tantalizingly close to
a material class that mirrors the cuprate superconductors. We measured the magnetic …

Spin-orbit physics giving rise to novel phases in correlated systems: Iridates and related materials

JG Rau, EKH Lee, HY Kee - Annual Review of Condensed …, 2016 - annualreviews.org
Recently, the effects of spin-orbit coupling (SOC) in correlated materials have become one
of the most actively studied subjects in condensed matter physics, as correlations and SOC …

Quantum Engineering With Hybrid Magnonic Systems and Materials (Invited Paper)

DD Awschalom, CR Du, R He… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Quantum technology has made tremendous strides over the past two decades with
remarkable advances in materials engineering, circuit design, and dynamic operation. In …

Spin–Orbit-Entangled Electronic Phases in 4d and 5d Transition-Metal Compounds

T Takayama, J Chaloupka, A Smerald… - Journal of the Physical …, 2021 - journals.jps.jp
Complex oxides with 4 d and 5 d transition-metal ions recently emerged as a new paradigm
in correlated electron physics, due to the interplay between spin–orbit coupling and electron …

Correlated quantum phenomena in the strong spin-orbit regime

W Witczak-Krempa, G Chen, YB Kim… - Annu. Rev. Condens …, 2014 - annualreviews.org
We discuss phenomena arising from the combined influence of electron correlation and spin-
orbit coupling (SOC), with an emphasis on emergent quantum phases and transitions in …

Pseudospin exchange interactions in cobalt compounds: Possible realization of the Kitaev model

H Liu, G Khaliullin - Physical Review B, 2018 - APS
The current efforts to find the materials hosting Kitaev model physics have been focused on
Mott insulators of d 5 pseudospin-1/2 ions Ir 4+ and Ru 3+ with t 2 g 5 (S= 1/2, L= 1) …

Zigzag Magnetic Order in the Iridium Oxide

J Chaloupka, G Jackeli, G Khaliullin - Physical review letters, 2013 - APS
We explore the phase diagram of spin-orbit Mott insulators on a honeycomb lattice, within
the Kitaev-Heisenberg model extended to its full parameter space. Zigzag-type magnetic …

Dynamics of resonant x-ray and Auger scattering

F Gel'mukhanov, M Odelius, SP Polyutov… - Reviews of Modern …, 2021 - APS
An overview of both experimental and theoretical results in the field of resonant scattering of
tunable soft and hard x-ray radiation is presented, with a main focus on the closely related …