Two-dimensional quantum universality in the spin-1/2 triangular-lattice quantum antiferromagnet Na2BaCo(PO4)2

J Sheng, L Wang, A Candini, W Jiang… - Proceedings of the …, 2022 - National Acad Sciences
An interplay of geometrical frustration and strong quantum fluctuations in a spin-1/2
triangular-lattice antiferromagnet (TAF) can lead to exotic quantum states. Here, we report …

Gd3+ based spin 12 linear chain antiferromagnet

M Azeem, U Anakha - Journal of Magnetism and Magnetic Materials, 2024 - Elsevier
We report observations of spin 1 2 Heisenberg antiferromagnetic order in nanoparticle
ensembles of G d 1.89 N i 0.02 Z n 0.03 F e 0.55 O 4 and G d 1.39 N i 0.10 Z n 0.02 F e 0.89 …

Ground-state phase diagram of the Kitaev-Heisenberg model on a kagome lattice

K Morita, M Kishimoto, T Tohyama - Physical Review B, 2018 - APS
The Kitaev-Heisenberg model on the honeycomb lattice has been studied for the purpose of
finding exotic states such as quantum spin liquid and topological orders. On the kagome …

Half-magnetization plateau in a Heisenberg antiferromagnet on a triangular lattice

M Ye, AV Chubukov - Physical Review B, 2017 - APS
We present the phase diagram of a 2D isotropic triangular Heisenberg antiferromagnet in a
magnetic field. We consider spin-S model with nearest-neighbor (J 1) and next-nearest …

Magnetic phases of the triangular-lattice antiferromagnet RbFe( as determined by ultrasound velocity measurements

A Zelenskiy, JA Quilliam, AY Shapiro, G Quirion - Physical Review B, 2021 - APS
Rb Fe (Mo O 4) 2 is one of the best physical examples of a quasi-two-dimensional easy-
plane triangular-lattice antiferromagnet. Although the magnetic phase diagram of this …

Exact diagonalization and cluster mean-field study of triangular-lattice XXZ antiferromagnets near saturation

D Yamamoto, H Ueda, I Danshita, G Marmorini… - Physical Review B, 2017 - APS
Quantum magnetic phases near the magnetic saturation of triangular-lattice
antiferromagnets with XXZ anisotropy have been attracting renewed interest since it has …

Magnetoelastic coupling and the magnetization plateau in

M Li, A Zelenskiy, JA Quilliam, ZL Dun, HD Zhou… - Physical Review B, 2019 - APS
High-precision ultrasonic measurements are used to study magnetoelastic coupling as a
function of the in-plane magnetic field orientation in the spin-1/2 triangular lattice …

Topological approach to quantum liquid ground states on geometrically frustrated Heisenberg antiferromagnets

S Pal, A Mukherjee, S Lal - Journal of Physics: Condensed …, 2020 - iopscience.iop.org
We have formulated a twist operator argument for the geometrically frustrated quantum spin
systems on the kagome and triangular lattices, thereby extending the application of the Lieb …

Magnetization plateau and supersolid phases in the spin- antiferromagnetic Heisenberg model on a tetragonally distorted fcc lattice

K Morita, T Tohyama - Physical Review B, 2019 - APS
The Heisenberg model on a face center cubic (fcc) lattice is a typical three-dimensional
frustrated spin system expected to have magnetization plateaus and supersolid phases …

Umbrella-coplanar transition in the triangular XXZ model with arbitrary spin

G Marmorini, D Yamamoto, I Danshita - Physical Review B, 2016 - APS
The quantum triangular XXZ model has recently enjoyed a wealth of new theoretical results,
especially in relation to the modeling of the Ba 3 CoSb 2 O 9 compound. In particular, it has …