activity
20102024
most citedRelevance of the Heisenberg-Kitaev model for the honeycomb lattice iridates A_2IrO_3

749 citations · 3.4k across the 62 of their papers we have counts for

collaborators
Showing cond-mat.str-elShow all

12 papers · 1 filter

cond-mat.str-el2023

Experimental Evidence for Non-spherical Magnetic Form Factor in Ru

Colin L. Sarkis, John W. Villanova, Casey Eichstaedt +9

The Mott insulator -RuCl has generated great interest in the community due to its possible field-induced Kitaev quantum spin liquid state. Despite enormous effort spent tryi…

cond-mat.str-el2023★ 3 cited

Static and dynamical magnetic properties of the extended Kitaev-Heisenberg model with spin vacancies

Shaozhi Li, Randy S. Fishman, Tom Berlijn

Motivated by the potential to suppress the antiferromagnetic long-range order in favor of the long-sought-after Kitaev quantum spin liquid state, we study the effect of spin vacanc…

cond-mat.str-el2023★ 34 cited

Spin wave Hamiltonian and anomalous scattering in NiPS

A. Scheie, Pyeongjae Park, J. W. Villanova +8

We report a comprehensive spin wave analysis of the semiconducting honeycomb van der Waal antiferromagnet NiPS. Using single crystal inelastic neutron scattering, we map out th…

cond-mat.str-el2022★ 38 cited

Non-linear magnons and exchange Hamiltonians of delafossite proximate quantum spin liquids

A. O. Scheie, Y. Kamiya, Hao Zhang +20

Quantum spin liquids (QSL) are theoretical states of matter with long-range entanglement and exotic quasiparticles. However, they generally elude quantitative theory, rendering the…

cond-mat.str-el2022★ 10 cited

Variation of carrier density in semimetals via short-range correlation: A case study with nickelate NdNiO

Ruoshi Jiang, Zi-Jian Lang, Tom Berlijn +1

Carrier density is one of the key controlling factors of material properties, particularly in controlling the essential correlations in strongly correlated materials. Typically, ca…

cond-mat.str-el2021

The Role of the Third Dimension in Searching Majorana Fermions in -RuCl via Phonons

Sai Mu, Kiranmayi D. Dixit, Xiaoping Wang +12

Understanding phonons in -RuCl is critical to analyze the controversy around the observation of the half-integer thermal quantum Hall effect. While many studies have focused…

cond-mat.str-el2021★ 30 cited

Quasiparticle Interference of the van-Hove singularity in SrRuO

A. Kreisel, C. A. Marques, L. C. Rhodes +7

The single-layered ruthenate SrRuO is one of the most enigmatic unconventional superconductors. While for many years it was thought to be the best candidate for a chiral $p…

cond-mat.str-el2019★ 50 cited

Deriving models for the Kitaev spin-liquid candidate material -RuCl from first principles

Casey Eichstaedt, Yi Zhang, Pontus Laurell +3

We use the constrained random phase approximation (cRPA) to derive from first principles the Ru- Wannier function based model for the Kitaev spin-liquid candidate material…

cond-mat.str-el2018★ 30 cited

Decoupling carrier concentration and electron-phonon coupling in oxide heterostructures observed with resonant inelastic x-ray scattering

D. Meyers, Ken Nakatsukasa, Sai Mu +19

We report the observation of multiple phonon satellite features in ultra thin superlattices of form SrIrO/SrTiO using resonant inelastic x-ray scattering. As the valu…

cond-mat.str-el2016★ 277 cited

Itinerant Antiferromagnetism in RuO

T. Berlijn, P. C. Snijders, O. Delaire +9

Bulk rutile RuO has long been considered a Pauli paramagnet. Here we report that RuO exhibits a hitherto undetected lattice distortion below approximately 900 K. The distor…

cond-mat.str-el2016★ 10 cited

Giant Spin Gap and Magnon Localization in the Disordered Heisenberg Antiferromagnet Sr2Ir1-xRuxO4

Yue Cao, Xuerong Liu, Wenhu Xu +15

We study the evolution of magnetic excitations in the disordered two-dimensional antiferromagnet Sr2Ir1-xRuxO4. A gigantic magnetic gap greater than 40 meV opens at x = 0.27 and in…

cond-mat.str-el2011★ 749 cited

Relevance of the Heisenberg-Kitaev model for the honeycomb lattice iridates A_2IrO_3

Yogesh Singh, S. Manni, J. Reuther +5

Combining thermodynamic measurements with theoretical density functional and thermodynamic calculations we demonstrate that the honeycomb lattice iridates A2IrO3 (A = Na, Li) are m…