Continuum excitations in a spin supersolid on a triangular lattice

M Zhu, V Romerio, N Steiger, SD Nabi, N Murai… - Physical Review Letters, 2024‏ - APS
Magnetic, thermodynamic, neutron diffraction and inelastic neutron scattering are used to
study spin correlations in the easy-axis XXZ triangular lattice magnet K 2 Co (SeO 3) 2 …

Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet

C Kim, S Kim, P Park, T Kim, J Jeong… - Nature Physics, 2023‏ - nature.com
The Kitaev model, a honeycomb network of spins with bond-dependent anisotropic
interactions, is a rare example of a system with a quantum spin liquid ground state. Although …

Spectral function of the Heisenberg model on the triangular lattice

NE Sherman, M Dupont, JE Moore - Physical Review B, 2023‏ - APS
Spectral probes, such as neutron scattering, are crucial for characterizing excitations in
quantum many-body systems and the properties of quantum materials. Among the most …

Anomalous continuum scattering and higher-order van Hove singularity in the strongly anisotropic S = 1/2 triangular lattice antiferromagnet

P Park, EA Ghioldi, AF May, JA Kolopus… - Nature …, 2024‏ - nature.com
Abstract The S= 1/2 triangular lattice antiferromagnet (TLAF) is a paradigmatic example of
frustrated quantum magnetism. An ongoing challenge involves understanding the influence …

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 …

Complete field-induced spectral response of the spin-1/2 triangular-lattice antiferromagnet CsYbSe2

T **e, AA Eberharter, J **ng, S Nishimoto… - npj quantum …, 2023‏ - nature.com
Fifty years after Anderson's resonating valence-bond proposal, the spin-1/2 triangular-lattice
Heisenberg antiferromagnet (TLHAF) remains the ultimate platform to explore highly …

Dynamical spectra of spin supersolid states in triangular antiferromagnets

R Chi, J Hu, HJ Liao, T **ang - Physical Review B, 2024‏ - APS
We employ tensor-network renormalization to explore the dynamical spectra of the easy-axis
triangular-lattice antiferromagnet (TLAF) in a magnetic field. Our analysis identifies two …

Quantum and classical spin dynamics across temperature scales in the Heisenberg antiferromagnet

P Park, G Sala, DM Pajerowski, AF May… - Physical Review …, 2024‏ - APS
Using the framework of semiclassical Landau-Lifshitz dynamics (LLD), we conduct a
systematic investigation of the temperature-dependent spin dynamics in the S= 1/2 …

Nature of quantum spin liquids of the Heisenberg antiferromagnet on the triangular lattice: A parallel DMRG study

YF Jiang, HC Jiang - Physical Review B, 2023‏ - APS
We study the ground-state properties of the quantum spin liquid (QSL) phases of the spin-
1/2 antiferromagnetic Heisenberg model on the triangular lattice with nearest-(J 1), next …

Continuum of spin excitations in an ordered magnet

J Sheng, L Wang, W Jiang, H Ge, N Zhao, T Li, M Kofu… - The Innovation, 2025‏ - cell.com
Spin excitation continua observed in neutron scattering studies are often considered to be
strong evidence of quantum spin liquid formation. In a disorder-free magnetic compound …