Proximate spin liquid and fractionalization in the triangular antiferromagnet KYbSe2

AO Scheie, EA Ghioldi, J **ng, JAM Paddison… - Nature Physics, 2024 - nature.com
The Heisenberg triangular-lattice quantum spin liquid and its phase transitions to nearby
magnetic orders have received much theoretical attention, but clear experimental …

Spin liquids in geometrically perfect triangular antiferromagnets

Y Li, P Gegenwart, AA Tsirlin - Journal of Physics: Condensed …, 2020 - iopscience.iop.org
The cradle of quantum spin liquids, triangular antiferromagnets show strong proclivity to
magnetic order and require deliberate tuning to stabilize a spin-liquid state. In this brief …

High-accuracy variational Monte Carlo for frustrated magnets with deep neural networks

C Roth, A Szabó, AH MacDonald - Physical Review B, 2023 - APS
We show that neural quantum states based on very deep (4–16-layered) neural networks
can outperform state-of-the-art variational approaches on highly frustrated quantum …

Magnetic couplings in edge-sharing high-spin d 7 compounds

SM Winter - Journal of Physics: Materials, 2022 - iopscience.iop.org
High-spin d 7 Co (II) compounds have recently been identified as possible platforms for
realizing highly anisotropic and bond-dependent couplings featured in quantum-compass …

Spin Excitation Spectra of Anisotropic Spin- Triangular Lattice Heisenberg Antiferromagnets

R Chi, Y Liu, Y Wan, HJ Liao, T **ang - Physical Review Letters, 2022 - APS
Investigation of dynamical excitations is difficult but crucial to the understanding of many
exotic quantum phenomena discovered in quantum materials. This is particularly true for …

Dynamical signatures of symmetry-broken and liquid phases in an = Heisenberg antiferromagnet on the triangular lattice

M Drescher, L Vanderstraeten, R Moessner… - Physical Review B, 2023 - APS
We present the dynamical spin structure factor of the antiferromagnetic spin-1 2 J 1-J 2
Heisenberg model on a triangular lattice obtained from large-scale matrix-product state …

Dynamics of K2Ni2(SO4)3 governed by proximity to a 3D spin liquid model

MG Gonzalez, V Noculak, A Sharma, V Favre… - Nature …, 2024 - nature.com
Quantum spin liquids (QSLs) have become a key area of research in magnetism due to their
remarkable properties, such as long-range entanglement, fractional excitations, and …

Antichiral spin order, its soft modes, and their hybridization with phonons in the topological semimetal

Y Chen, J Gaudet, S Dasgupta, GG Marcus, J Lin… - Physical Review B, 2020 - APS
We report the magnetic structure and spin excitations of Mn 3 Ge, a breathing kagome
antiferromagnet with transport anomalies attributed to Weyl nodes. Using polarized neutron …

Dynamical Structure Factor of the Heisenberg Model on the Triangular Lattice: Magnons, Spinons, and Gauge Fields

F Ferrari, F Becca - Physical Review X, 2019 - APS
Understanding the nature of the excitation spectrum in quantum spin liquids is of
fundamental importance, in particular for the experimental detection of candidate materials …

Avoided quasiparticle decay and enhanced excitation continuum in the spin- near-Heisenberg triangular antiferromagnet

D Macdougal, S Williams, D Prabhakaran, RI Bewley… - Physical Review B, 2020 - APS
We explore the magnetic excitations of the spin-1 2 triangular antiferromagnet Ba 3 CoSb 2
O 9 in its 120∘ ordered phase using single-crystal high-resolution inelastic neutron …