A field guide to spin liquids

J Knolle, R Moessner - Annual Review of Condensed Matter …, 2019 - annualreviews.org
Spin liquids are collective phases of quantum matter that have eluded discovery in
correlated magnetic materials for over half a century. Theoretical models of these enigmatic …

Antiferromagnetic spintronics

V Baltz, A Manchon, M Tsoi, T Moriyama, T Ono… - Reviews of Modern …, 2018 - APS
Antiferromagnetic materials could represent the future of spintronic applications thanks to
the numerous interesting features they combine: they are robust against perturbation due to …

Physics of the Kitaev model: Fractionalization, dynamic correlations, and material connections

M Hermanns, I Kimchi, J Knolle - Annual Review of Condensed …, 2018 - annualreviews.org
Quantum spin liquids have fascinated condensed matter physicists for decades because of
their unusual properties such as spin fractionalization and long-range entanglement. Unlike …

Continuous excitations of the triangular-lattice quantum spin liquid YbMgGaO4

JAM Paddison, M Daum, Z Dun, G Ehlers, Y Liu… - Nature Physics, 2017 - nature.com
A quantum spin liquid (QSL) is an exotic state of matter in which electrons' spins are
quantum entangled over long distances, but do not show magnetic order in the zero …

Measuring multipartite entanglement through dynamic susceptibilities

P Hauke, M Heyl, L Tagliacozzo, P Zoller - Nature Physics, 2016 - nature.com
Entanglement is considered an essential resource in quantum technologies, and central to
the understanding of quantum many-body physics. Develo** protocols to detect and …

Dynamics of a two-dimensional quantum spin liquid: signatures of emergent Majorana fermions and fluxes

J Knolle, DL Kovrizhin, JT Chalker, R Moessner - Physical Review Letters, 2014 - APS
We provide a complete and exact theoretical study of the dynamical structure factor of a two-
dimensional quantum spin liquid in gapless and gapped phases, as realized in Kitaev's …

The quench action

JS Caux - Journal of Statistical Mechanics: Theory and …, 2016 - iopscience.iop.org
We give a pedagogical introduction to the methodology of the Quench Action, which is an
effective representation for the calculation of time-dependent expectation values of physical …

Rethinking

PA Maksimov, AL Chernyshev - Physical Review Research, 2020 - APS
We argue that several empirical constraints strongly restrict parameters of the effective
microscopic spin model describing α-RuCl 3. In particular, such constraints dictate a …

Fractional excitations in the square-lattice quantum antiferromagnet

B Dalla Piazza, M Mourigal, NB Christensen… - Nature physics, 2015 - nature.com
Quantum magnets have occupied the fertile ground between many-body theory and low-
temperature experiments on real materials since the early days of quantum mechanics …

Witnessing entanglement in quantum magnets using neutron scattering

A Scheie, P Laurell, AM Samarakoon, B Lake… - Physical Review B, 2021 - APS
We demonstrate how quantum entanglement can be directly witnessed in the quasi-1D
Heisenberg antiferromagnet KCuF 3. We apply three entanglement witnesses—one tangle …