Eight-color chiral spin liquid in the bilinear-biquadratic model with Kitaev interactions

R Pohle, N Shannon, Y Motome - Physical Review Research, 2024 - APS
Multipolar spin systems provide a rich ground for the emergence of unexpected states of
matter due to their enlarged spin degree of freedom. In this study, with a specific emphasis …

Anisotropic excitonic magnetism from discrete symmetry in

DJ Brener, IR Mallo, H Lane, JA Rodriguez-Rivera… - Physical Review B, 2024 - APS
Anisotropy in strongly correlated materials is a central parameter in determining the
electronic ground state and is tuned through the local crystalline electric field. This is notably …

Contrasting dynamical properties of single-Q and triple-Q magnetic orderings in a triangular lattice antiferromagnet

P Park, W Cho, C Kim, Y An, K Iida, R Kajimoto… - arxiv preprint arxiv …, 2024 - arxiv.org
Multi-Q magnetic structures on triangular lattices, with their two-dimensional topological spin
texture, have attracted significant interest. However, unambiguously confirming their …

Classical dynamics of the antiferromagnetic Heisenberg spin ladder

DA Dahlbom, J Thomas, S Johnston, K Barros… - Physical Review B, 2024 - APS
We employ a classical limit grounded in SU (4) coherent states to investigate the
temperature-dependent dynamical spin structure factor of the S= 1/2 ladder consisting of …

Spin-Phonon Coupling in Transition Metal Insulators: General Computational Approach and Application to MnPSe

R Dhakal, S Griffith, K Choi, SM Winter - arxiv preprint arxiv:2407.00659, 2024 - arxiv.org
Spin-phonon coupling underlies a number of diverse range of phenomena of recent interest,
particularly in transition metal insulators with strong spin-orbit effects, where it may give rise …

Kernel polynomial method for linear spin wave theory

H Lane, H Zhang, D Dahlbom, S Quinn, R Somma… - SciPost Physics, 2024 - scipost.org
Calculating dynamical spin correlations is essential for matching model magnetic exchange
Hamiltonians to momentum-resolved spectroscopic measurements. A major numerical …

Quantum and classical spin dynamics across temperature scales in the S= 1/2 Heisenberg antiferromagnet

P Park, G Sala, DM Pajerowski, AF May… - arxiv preprint arxiv …, 2024 - arxiv.org
Using the framework of semi-classical Landau-Lifshitz dynamics (LLD), we conduct a
systematic investigation of the temperature-dependent spin dynamics in the S= 1/2 …

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… - arxiv preprint arxiv …, 2024 - arxiv.org
The S= 1/2 triangular lattice antiferromagnet (TLAF) stands out as a paradigmatic example of
frustrated quantum magnetism. An ongoing challenge involves understanding the influence …

Quasicrystalline chiral soliton lattices in a Fibonacci helimagnet

PS Cornaglia, LM Chinellato, CD Batista - Physical Review B, 2024 - APS
We investigate the ground state magnetic configurations of a Fibonacci chain of classical
spins with nearest-neighbor ferromagnetic and monoaxial Dzyaloshinskii-Moriya exchange …

Thermally-Induced Mimicry of Quantum Cluster Excitations and Implications for the Magnetic Transition in FePX3

H Lane, M Mourigal - Neutron News, 2024 - Taylor & Francis
The enhancement of quantum fluctuations in low-dimensional antiferromagnets can
destabilize magnetic order and lead to disordered magnetic ground states with anomalous …