Witnessing entanglement and quantum correlations in condensed matter: A review

P Laurell, A Scheie, E Dagotto… - Advanced Quantum …, 2024 - Wiley Online Library
The detection and certification of entanglement and quantum correlations in materials is of
fundamental and far‐reaching importance, and has seen significant recent progress. It …

Phase diagram of the quantum spin- Heisenberg- model on a frustrated zigzag chain

H Saito, C Hotta - Physical Review B, 2024 - APS
We investigate the quantum spin-1/2 zigzag chain with frustrated J 1-J 2 Heisenberg
interactions, incorporating additional off-diagonal exchange interactions known as the Γ …

Dynamics of K2Ni2(SO4)3 governed by proximity to a 3D spin liquid model

MG Gonzalez, V Noculak, A Sharma, V Favre… - Nature …, 2024 - nature.com
Quantum spin liquids (QSLs) have become a key area of research in magnetism due to their
remarkable properties, such as long-range entanglement, fractional excitations, and …

Magnetic properties of ( = Pr, Nd, Gd, Tb, Dy, Ho, Er, Yb) with a rare earth-bilayer of triangular lattice

A Rutherford, C **ng, H Zhou, Q Huang, ES Choi… - Physical Review …, 2024 - APS
Polycrystalline samples of R 2 O 2 CO 3 (R= Pr, Nd, Gd, Tb, Dy, Ho, Er, and Yb) with a
unique rare-earth bilayer of triangular lattice were synthesized and studied by DC and AC …

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 …

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 …

Rare-Earth Chalcogenides: An Inspiring Playground for Exploring Frustrated Magnetism

M **e, W Zhuo, Y Cai, Z Zhang… - Chinese Physics …, 2024 - iopscience.iop.org
The rare-earth chalcogenide ARECh 2 family (A= alkali metal or monovalent ions, RE= rare
earth, Ch= chalcogen) has emerged as a paradigmatic platform for studying frustrated …

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 …

Derivation of low-energy Hamiltonians for heavy-fermion materials

EA Ghioldi, Z Wang, LM Chinellato, JX Zhu, Y Nomura… - Physical Review B, 2024 - APS
By utilizing a multiorbital periodic Anderson model with parameters obtained from ab initio
band structure calculations, combined with degenerate perturbation theory, we derive …

Phase Diagram of the Easy-Axis Triangular-Lattice Model

CA Gallegos, S Jiang, SR White… - arxiv preprint arxiv …, 2024 - arxiv.org
The phase diagram of the $ S\!=\! 1/2$ easy-axis triangular-lattice $ J_1\!-\! J_2 $ model is
investigated using the density-matrix renormalization group and analytical insights. We find …