Dimensional reduction and incommensurate dynamic correlations in the triangular-lattice antiferromagnet Ca3ReO5Cl2

SA Zvyagin, AN Ponomaryov, J Wosnitza… - Nature …, 2022 - nature.com
The observation of spinon excitations in the S= 1 2 triangular antiferromagnet Ca3ReO5Cl2
reveals a quasi-one-dimensional (1D) nature of magnetic correlations, in spite of the …

Electron spin resonance of the interacting spinon liquid

KY Povarov, TA Soldatov, RB Wang, A Zheludev… - Physical Review Letters, 2022 - APS
We report experimental verification of the recently predicted collective modes of spinons,
stabilized by backscattering interaction, in a model quantum spin chain material. We exploit …

Helical spin dynamics in commensurate magnets: A study on brochantite,

SE Nikitin, T Xie, A Gazizulina, B Ouladdiaf… - Physical Review …, 2023 - APS
We report the direct observation of a commensurate-ordered antiferromagnetic (AFM) state
but incommensurate helical spin dynamics in the natural mineral brochantite Cu 4 SO 4 …

One-dimensional quantum magnetism in the Mo(V) system

AH Abdeldaim, AA Tsirlin, J Ollivier, C Ritter, D Fortes… - Physical Review B, 2023 - APS
We present a comprehensive experimental and ab initio study of the S= 1/2 Mo 5+ system,
KMoOP 2 O 7, and show that it realizes the S= 1 2 Heisenberg chain antiferromagnet model …

Collective spin oscillations in a magnetized graphene sheet

M Agarwal, OA Starykh, DA Pesin, EG Mishchenko - Physical Review B, 2024 - APS
We investigate collective spin excitations of graphene electrons with short-ranged
interactions and subject to the external Zeeman magnetic field. We find that in addition to the …

RIXS spectra of spinon, doublon, and quarton excitations of a spin-1/2 antiferromagnetic Heisenberg trimer chain

J Li, JQ Cheng, T Datta, DX Yao - arXiv preprint arXiv:2410.07347, 2024 - arxiv.org
We investigate the excitation spectra of a spin-1/2 antiferromagnetic Heisenberg trimer spin
chain by employing a combination of numerical and theoretical techniques. Utilizing the …

Spinon spin current

RB Wang, N Nishad, A Keselman, L Balents… - arXiv preprint arXiv …, 2024 - arxiv.org
We present the theory of the longitudinal spin Seebeck effect between a Heisenberg spin-
1/2 chain and a conductor. The effect consists of the generation of a spin current across the …

Collective Excitations of Magnetized Quantum Wires and Spin Chains with Spin-Orbital Interactions

RB Wang - 2022 - search.proquest.com
Abstract Quasi-one-dimensional (Quasi-1d) materials and physical models describing them
have long attracted the interest of researchers due to the numerous intriguing physical …