Quantum spin liquids

C Broholm, RJ Cava, SA Kivelson, DG Nocera… - Science, 2020‏ - science.org
BACKGROUND Years ago, Lev Landau taught us how to think about distinct phases of
matter through an order parameter that characterizes the symmetry-broken state relative to …

Experimental signatures of quantum and topological states in frustrated magnetism

J Khatua, B Sana, A Zorko, M Gomilšek, K Sethupathi… - Physics Reports, 2023‏ - Elsevier
Frustration in magnetic materials arising from competing exchange interactions can prevent
the system from adopting long-range magnetic order and can instead lead to a diverse …

Thermal Hall effects in quantum magnets

XT Zhang, YH Gao, G Chen - Physics Reports, 2024‏ - Elsevier
In the recent years, the thermal Hall transport has risen as an important diagnosis of the
physical properties of the elementary excitations in various quantum materials, especially …

Chiral spin liquid phase of the triangular lattice Hubbard model: a density matrix renormalization group study

A Szasz, J Motruk, MP Zaletel, JE Moore - Physical Review X, 2020‏ - APS
Motivated by experimental studies that have found signatures of a quantum spin liquid
phase in organic crystals whose structure is well described by the two-dimensional …

Gapped magnetic ground state in quantum spin liquid candidate κ-(BEDT-TTF)2Cu2(CN)3

B Miksch, A Pustogow, MJ Rahim, AA Bardin… - Science, 2021‏ - science.org
Geometrical frustration, quantum entanglement, and disorder may prevent long-range
ordering of localized spins with strong exchange interactions, resulting in an exotic state of …

Evidence for a spinon Kondo effect in cobalt atoms on single-layer 1T-TaSe2

Y Chen, WY He, W Ruan, J Hwang, S Tang, RL Lee… - Nature Physics, 2022‏ - nature.com
Quantum spin liquids are highly entangled, disordered magnetic states that are expected to
arise in frustrated Mott insulators and to exhibit exotic fractional excitations such as spinons …

Ising-type quantum spin liquid state in

N Li, A Rutherford, YY Wang, H Liang, QJ Li, ZJ Zhang… - Physical Review B, 2024‏ - APS
We have grown single crystals of PrMgAl 11 O 19, an ideal triangular-lattice antiferromagnet,
and performed magnetic susceptibility, specific heat, and thermal conductivity …

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 …

Possible itinerant excitations and quantum spin state transitions in the effective spin-1/2 triangular-lattice antiferromagnet Na2BaCo(PO4)2

N Li, Q Huang, XY Yue, WJ Chu, Q Chen… - Nature …, 2020‏ - nature.com
The most fascinating feature of certain two-dimensional (2D) gapless quantum spin liquid
(QSL) is that their spinon excitations behave like the fermionic carriers of a paramagnetic …

Thermal transport of fractionalized antiferromagnetic and field-induced states in the Kitaev material

S Guang, N Li, RL Luo, Q Huang, Y Wang, X Yue, K **a… - Physical Review B, 2023‏ - APS
We report an in-plane thermal transport study of the honeycomb Kitaev material Na 2 Co 2
TeO 6 at sub-Kelvin temperatures. In zero magnetic field, the κ (T) displays a rather weak T …