Magnetic field induced spin liquids in Kitaev honeycomb model

Z Zhu, ZY Weng, DN Sheng - Physical Review Research, 2020 - APS
We investigate the ground state properties of the spin S= 1 Kitaev honeycomb model under
a magnetic field based on the density matrix renormalization group (DMRG) calculation …

Instabilities of spin-1 Kitaev spin liquid phase in presence of single-ion anisotropies

O Bradley, RRP Singh - Physical Review B, 2022 - APS
We study the spin-one Kitaev model on the honeycomb lattice in the presence of single-ion
anisotropies. We consider two types of single ion anisotropies: AD 111 anisotropy which …

Observation of 4- and 6-Magnon Bound States in the Spin-Anisotropic Frustrated Antiferromagnet

A Legros, SS Zhang, X Bai, H Zhang, Z Dun… - Physical Review Letters, 2021 - APS
We observe a wealth of multimagnon bound states in the strongly anisotropic spin-1
triangular antiferromagnet FeI 2 using time-domain terahertz spectroscopy. These …

Anyon dynamics in field-driven phases of the anisotropic Kitaev model

S Feng, A Agarwala, S Bhattacharjee, N Trivedi - Physical Review B, 2023 - APS
The Kitaev model on a honeycomb lattice with bond-dependent Ising interactions offers an
exactly solvable model of a quantum spin liquid (QSL) with fractionalized excitations …

Machine learning reveals features of spinon Fermi surface

K Zhang, S Feng, YD Lensky, N Trivedi… - Communications …, 2024 - nature.com
With rapid progress in simulation of strongly interacting quantum Hamiltonians, the
challenge in characterizing unknown phases becomes a bottleneck for scientific progress …

Novel chiral quantum spin liquids in Kitaev magnets

A Ralko, J Merino - Physical Review Letters, 2020 - APS
Quantum magnets with pure Kitaev spin exchange interactions can host a gapped quantum
spin liquid with a single Majorana edge mode propagating in the counterclockwise direction …

Symmetry analysis of tensors in the honeycomb lattice of edge-sharing octahedra

FG Utermohlen, N Trivedi - Physical Review B, 2021 - APS
We obtain the most general forms of rank-2 and rank-3 tensors allowed by the crystal
symmetries of the honeycomb lattice of edge-sharing octahedra for crystals belonging to …

Emergent magnetic order in the antiferromagnetic Kitaev model in a [111] field

W Holdhusen, D Huerga, G Ortiz - Physical Review B, 2024 - APS
The Kitaev spin liquid, stabilized as the ground state of the Kitaev honeycomb model, is a
paradigmatic example of a topological Z 2 quantum spin liquid. The fate of the Kitaev spin …

Confinement and oscillating deconfinement crossover of two-magnon excitations in quantum spin chains quantified by spin entanglement entropy

ZY Dong, JX Li - Physical Review B, 2022 - APS
We introduce the spin entanglement entropy (EE) to characterize spin excitations. The
scalings of EEs are elaborated as ln N, ln N+ D k, and 2 ln N+ D for the single-magnon …

Fractionalization in Frustrated Quantum Matter

S Feng - 2024 - search.proquest.com
In quantum many-body systems, fractionalization stands as a hallmark of quantum emergent
phenomena, where an elementary degree of freedom, such as an electron, decomposes …