Physics of the Kitaev model: Fractionalization, dynamic correlations, and material connections

M Hermanns, I Kimchi, J Knolle - Annual Review of Condensed …, 2018 - annualreviews.org
Quantum spin liquids have fascinated condensed matter physicists for decades because of
their unusual properties such as spin fractionalization and long-range entanglement. Unlike …

Dynamics of a two-dimensional quantum spin liquid: signatures of emergent Majorana fermions and fluxes

J Knolle, DL Kovrizhin, JT Chalker, R Moessner - Physical Review Letters, 2014 - APS
We provide a complete and exact theoretical study of the dynamical structure factor of a two-
dimensional quantum spin liquid in gapless and gapped phases, as realized in Kitaev's …

Kitaev interactions between j= 1/2 moments in honeycomb Na2IrO3 are large and ferromagnetic: insights from ab initio quantum chemistry calculations

VM Katukuri, S Nishimoto, V Yushankhai… - New Journal of …, 2014 - iopscience.iop.org
Abstract Na 2 IrO 3, a honeycomb 5d 5 oxide, has been recently identified as a potential
realization of the Kitaev spin lattice. The basic feature of this spin model is that for each of …

Raman Scattering Signatures of Kitaev Spin Liquids in Iridates with or Li

J Knolle, GW Chern, DL Kovrizhin, R Moessner… - Physical review …, 2014 - APS
We show how Raman spectroscopy can serve as a valuable tool for diagnosing quantum
spin liquids (QSL). We find that the Raman response of the gapless QSL of the Kitaev …

Dynamics of fractionalization in quantum spin liquids

J Knolle, DL Kovrizhin, JT Chalker, R Moessner - Physical Review B, 2015 - APS
We present the theory of dynamical spin response for the Kitaev honeycomb model,
obtaining exact results for the structure factor (SF) in gapped and gapless, Abelian and non …

Low-energy spin dynamics of the honeycomb spin liquid beyond the Kitaev limit

XY Song, YZ You, L Balents - Physical review letters, 2016 - APS
We investigate the generic features of the low energy dynamical spin structure factor of the
Kitaev honeycomb quantum spin liquid perturbed away from its exact soluble limit by …

Spin-Peierls instability of the U (1) Dirac spin liquid

UFP Seifert, J Willsher, M Drescher, F Pollmann… - Nature …, 2024 - nature.com
Quantum fluctuations can inhibit long-range ordering in frustrated magnets and potentially
lead to quantum spin liquid (QSL) phases. A prime example are gapless QSLs with …

Quantum phase transition in Heisenberg-Kitaev model

R Schaffer, S Bhattacharjee, YB Kim - Physical Review B—Condensed Matter …, 2012 - APS
We explore the nature of the quantum phase transition between a magnetically ordered
state with collinear spin pattern and a gapless Z 2 spin liquid in the Heisenberg-Kitaev …

Heisenberg-Kitaev model on the hyperhoneycomb lattice

EKH Lee, R Schaffer, S Bhattacharjee, YB Kim - Physical Review B, 2014 - APS
Motivated by recent experiments on β-Li 2 IrO 3, we study the phase diagram of the
Heisenberg-Kitaev model on a three-dimensional lattice of tricoordinated Ir 4+, dubbed the …

Nature of visons in the perturbed ferromagnetic and antiferromagnetic Kitaev honeycomb models

C Chen, IS Villadiego - Physical Review B, 2023 - APS
The Kitaev honeycomb model hosts a fascinating fractionalized state of matter featuring
emergent Majorana fermions and a vison particle that carries the flux of an emergent gauge …