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 …

Spectral function of the Heisenberg model on the triangular lattice

NE Sherman, M Dupont, JE Moore - Physical Review B, 2023 - APS
Spectral probes, such as neutron scattering, are crucial for characterizing excitations in
quantum many-body systems and the properties of quantum materials. Among the most …

Quantum and thermal phase transitions of the triangular SU (3) Heisenberg model under magnetic fields

D Yamamoto, C Suzuki, G Marmorini, S Okazaki… - Physical Review Letters, 2020 - APS
We study the quantum and thermal phase transition phenomena of the SU (3) Heisenberg
model on triangular lattice in the presence of magnetic fields. Performing a scaling analysis …

Single-site-resolved imaging of ultracold atoms in a triangular optical lattice

R Yamamoto, H Ozawa, DC Nak… - New Journal of …, 2020 - iopscience.iop.org
We demonstrate single-site-resolved fluorescence imaging of ultracold 87 Rb atoms in a
triangular optical lattice by employing Raman sideband cooling. Combining a Raman …

Spin supersolidity in nearly ideal easy-axis triangular quantum antiferromagnet Na2BaCo(PO4)2

Y Gao, YC Fan, H Li, F Yang, XT Zeng, XL Sheng… - npj Quantum …, 2022 - nature.com
Prototypical models and their material incarnations are cornerstones to the understanding of
quantum magnetism. Here we show theoretically that the recently synthesized magnetic …

Zigzag phase transition in the frustrated Ising honeycomb lattice

PF Dias, M Schmidt - Physical Review B, 2023 - APS
We investigate the thermal phase transitions of the J 1-J 2-J 3 Ising model on the
honeycomb lattice. This model exhibits the zigzag (ZZ) antiferromagnetic phase, which is …

Systematic extraction of crystal electric-field effects and quantum magnetic model parameters in triangular rare-earth magnets

CA Pocs, PE Siegfried, J **ng, AS Sefat, M Hermele… - Physical Review …, 2021 - APS
A primary goal at the interface of theoretical and experimental quantum magnetism is the
investigation of exotic spin states, mostly notably quantum spin liquids (QSLs) that realize …

Residual entropy, bicriticality, and tricriticality in the frustrated Ising model on the honeycomb lattice

PF Dias, A Krindges, CV Morais, FM Zimmer… - Journal of Magnetism …, 2024 - Elsevier
Phase transitions and thermodynamic properties of the frustrated J 1-J 2-J 3 Ising model on
the honeycomb lattice are investigated by using the cluster mean-field theory and Monte …

The Ising bilayer honeycomb lattice: A cluster mean-field study

LC Rossato, FM Zimmer, CV Morais… - Physica A: Statistical …, 2023 - Elsevier
We study the Ising model on a bilayer honeycomb lattice with frustrated antiferromagnetic
interactions using the cluster mean-field method. We investigate the role of exchange …

Thermal Ising transition in two-dimensional SU (3) Fermi lattice gases with population imbalance

H Motegi, G Marmorini, N Furukawa, D Yamamoto - Physical Review Research, 2023 - APS
We focus on three-component SU (3) Fermi gases loaded into a square optical lattice, with
population imbalance between one component and the others. At strong coupling the …