A magnetic continuum in the cobalt-based honeycomb magnet BaCo2(AsO4)2

X Zhang, Y Xu, T Halloran, R Zhong, C Broholm… - Nature Materials, 2023 - nature.com
Quantum spin liquids (QSLs) are topologically ordered states of matter that host
fractionalized excitations. A particular route towards a QSL is via strongly bond-dependent …

Magnetic anisotropy reversal driven by structural symmetry-breaking in monolayer α-RuCl3

B Yang, YM Goh, SH Sung, G Ye, S Biswas… - Nature Materials, 2023 - nature.com
Layered α-RuCl3 is a promising material to potentially realize the long-sought Kitaev
quantum spin liquid with fractionalized excitations. While evidence of this state has been …

Magnetic ground state of the Kitaev spin liquid candidate

W Yao, Y Zhao, Y Qiu, C Balz, JR Stewart, JW Lynn… - Physical Review …, 2023 - APS
As a candidate Kitaev material, Na 2 Co 2 TeO 6 exhibits intriguing magnetism on a
honeycomb lattice that is believed to be C 3 symmetric. Here we report a neutron diffraction …

Tangent space approach for thermal tensor network simulations of the 2D Hubbard model

Q Li, Y Gao, YY He, Y Qi, BB Chen, W Li - Physical Review Letters, 2023 - APS
Accurate simulations of the two-dimensional (2D) Hubbard model constitute one of the most
challenging problems in condensed matter and quantum physics. Here we develop a …

Kondo screening in a Majorana metal

S Lee, YS Choi, SH Do, W Lee, CH Lee, M Lee… - Nature …, 2023 - nature.com
Kondo impurities provide a nontrivial probe to unravel the character of the excitations of a
quantum spin liquid. In the S= 1/2 Kitaev model on the honeycomb lattice, Kondo impurities …

Plaquette singlet transition, magnetic barocaloric effect, and spin supersolidity in the Shastry-Sutherland model

J Wang, H Li, N **, Y Gao, QB Yan, W Li, G Su - Physical Review Letters, 2023 - APS
Inspired by recent experimental measurements [Guo et al., Phys. Rev. Lett. 124, 206602
(2020 PRLTAO 0031-9007 10.1103/PhysRevLett. 124.206602); Jiménez et al., Nature …

Effect of ring-exchange interactions in the extended Kitaev honeycomb model

J Wang, ZX Liu - Physical Review B, 2023 - APS
Motivated by the possible triple-Q classical order in the Kitaev candidate material Na 2 Co 2
TeO 6, we investigate microscopic models that may stabilize the triple-Q order by studying …

Phonon thermal transport shaped by strong spin-phonon scattering in a Kitaev material Na2Co2TeO6

X Hong, M Gillig, W Yao, L Janssen, V Kocsis… - npj Quantum …, 2024 - nature.com
The report of a half-quantized thermal Hall effect and oscillatory structures in the
magnetothermal conductivity in the Kitaev material α-RuCl3 have sparked a strong debate …

Exciton proliferation and fate of the topological mott insulator in a twisted bilayer graphene lattice model

X Lin, BB Chen, W Li, ZY Meng, T Shi - Physical Review Letters, 2022 - APS
A topological Mott insulator (TMI) with spontaneous time-reversal symmetry breaking and
nonzero Chern number has been discovered in a real-space effective model for twisted …

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 …