Gapless quantum spin liquid and global phase diagram of the spin-1/2 J1-J2 square antiferromagnetic Heisenberg model

WY Liu, SS Gong, YB Li, D Poilblanc, WQ Chen, ZC Gu - Science bulletin, 2022 - Elsevier
The nature of the zero-temperature phase diagram of the spin-1/2 J 1-J 2 Heisenberg model
on a square lattice has been debated in the past three decades, and it remains one of the …

Tuning the square-lattice antiferromagnet from Néel order to quantum disorder to columnar order

O Mustonen, S Vasala, KP Schmidt, E Sadrollahi… - Physical Review B, 2018 - APS
The spin-1/2 square-lattice Heisenberg model is predicted to have a quantum disordered
ground state when magnetic frustration is maximized by competing nearest-neighbor J 1 …

Deformed spin- square lattice in antiferromagnetic

S Guchhait, DV Ambika, QP Ding, M Uhlarz… - Physical Review B, 2022 - APS
We report the structural and magnetic properties of a new spin-1/2 antiferromagnet
NaZnVOPO 4 (HPO 4) studied via x-ray diffraction, magnetic susceptibility, high-field …

Metastable states in the Ising model

VA Abalmasov, BE Vugmeister - Physical Review E, 2023 - APS
We study the J 1-J 2 Ising model on the square lattice using the random local field
approximation (RLFA) and Monte Carlo (MC) simulations for various values of the ratio p= J …

Structure, Spin Correlations, and Magnetism of the S = 1/2 Square-Lattice Antiferromagnet Sr2CuTe1–xWxO6 (0 ≤ x ≤ 1)

OHJ Mustonen, E Fogh, JAM Paddison… - Chemistry of …, 2023 - ACS Publications
Quantum spin liquids are highly entangled magnetic states with exotic properties. The S=
1/2 square-lattice Heisenberg model is one of the foundational models in frustrated …

Anisotropic Triangular Lattice Realized in Rhenium Oxychlorides A3ReO5Cl2 (A = Ba, Sr)

D Hirai, T Yajima, K Nawa, M Kawamura… - Inorganic …, 2020 - ACS Publications
We report the synthesis, crystal structure, and magnetic properties of the two new quantum
antiferromagnets A3ReO5Cl2 (A= Sr, Ba). The crystal structure is isostructural with the …

Possible field-induced quantum state in a rhombic lattice antiferromagnet

M Fujihala, M Hagihala, A Koda, JG Nakamura… - Physical Review …, 2025 - APS
Two-dimensional frustrated quantum magnets can serve as a platform for exploring exotic
quantum states. Here, we report the magnetic behavior of a rhombic lattice quantum …

Pressure-induced structural and magnetic ordering transitions in the J 1–J 2 square lattice antiferromagnets AMoOPO 4 Cl (A= K, Rb)

Y Xu, R Cui, H Jiang, Y Du, Y Jia, K Sun… - Physical Chemistry …, 2024 - pubs.rsc.org
By means of ab initio density functional theory calculations taking into account electronic
correlation and van der Waals force, we conducted comprehensive studies of the electronic …

Realizing square and diamond lattice Heisenberg antiferromagnet models in the and phases of the coordination framework,

AH Abdeldaim, T Li, L Farrar, AA Tsirlin, W Yao… - Physical Review …, 2020 - APS
We report the crystal structures and magnetic properties of two pseudopolymorphs of the S=
1/2 Ti 3+ coordination framework, K Ti (C 2 O 4) 2· x H 2 O. Single-crystal x-ray and powder …

Control of superexchange interactions with DC electric fields

SC Furuya, K Takasan, M Sato - Physical Review Research, 2021 - APS
We discuss DC electric-field controls of superexchange interactions. We first present generic
results about antiferromagnetic and ferromagnetic superexchange interactions valid in a …