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

61 papers

cond-mat.mes-hall2024

Topological Magnons on the Ferromagnetic Zigzag Lattice

Skandan Subramanian, Tom Berlijn, Lucas Lindsay +2

Motivated by the experimental identification of magnetic compounds consisting of zigzag chains, we analyze the band structure topology of magnons in ferromagnets on a zigzag lattic…

cond-mat.dis-nn2024

A typical medium cluster approach for multi-branch phonon localization

Wasim Raja Mondal, Tom Berlijn, N. S. Vidhyadhiraja +1

The phenomenon of Anderson localization in various disordered media has sustained significant interest over many decades. Specifically, the Anderson localization of phonons has bee…

cond-mat.supr-con2023★ 2 cited

Optical conductivity of overdoped cuprates from ab-initio out-of-plane impurity potentials

D. M. Broun, H. U. Özdemir, Vivek Mishra +4

Dopant impurity potentials determined by ab-initio supercell DFT calculations are used to calculate the optical conductivity of overdoped LSCO and Tl-2201 in the superconducting an…

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.mtrl-sci2023★ 16 cited

Breaking Rayleigh's law with spatially correlated disorder to control phonon transport

Simon Thébaud, Lucas Lindsay, Tom Berlijn

Controlling thermal transport in insulators and semiconductors is crucial for many technological fields such as thermoelectrics and thermal insulation, for which a low thermal cond…

cond-mat.mtrl-sci2023

Magnon Orbital Angular Momentum of Ferromagnetic Honeycomb and Zig-Zag Lattices

R. S. Fishman, T. Berlijn, J. Villanova +1

By expanding the gauge for magnon band in harmonics of momentum , we demonstrate that the only observable component of the magnon orbital angular momen…

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.mtrl-sci2022★ 13 cited

Phonons and phase symmetries in bulk from scattering measurements and theory

Xun Li, Seunghwan Do, Jiaqiang Yan +7

Phonon-derived behaviors are important indicators of novel phenomena in transition metal trihalides, including spin liquid behavior, two-dimensional magnetism, and spin-lattice cou…

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.supr-con2022★ 4 cited

Comment on "Anisotropic Scattering Caused by Apical Oxygen Vacancies in Thin Films of Overdoped High-Temperature Cuprate Superconductors"

H. U. Özdemir, Vivek Mishra, N. R. Lee-Hone +4

In Phys. Rev. Lett. 128, 137001 (2022), Wang address an important problem in the overdoped cuprates, taking the first steps toward understanding the structure of…

cond-mat.supr-con2022★ 16 cited

Effect of realistic out-of-plane dopant potentials on the superfluid density of overdoped cuprates

H. U. Özdemir, Vivek Mishra, N. R. Lee-Hone +4

Recent experimental papers on hole-doped overdoped cuprates have argued that a series of observations showing unexpected behavior in the superconducting state imply the breakdown o…

cond-mat.mtrl-sci2022★ 14 cited

Perturbation theory and thermal transport in mass-disordered alloys: Insights from Green's function methods

Simon Thébaud, Tom Berlijn, Lucas Lindsay

Lowest-order quantum perturbation theory (Fermi's golden rule) for phonon-disorder scattering has been used to predict thermal conductivities in several semiconducting alloys with…

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.dis-nn2021

Real Space Quantum Cluster Formulation for the Typical Medium Theory of Anderson Localization

Ka-Ming Tam, Hanna Terletska, Tom Berlijn +2

We develop a real space cluster extension of the typical medium theory (cluster-TMT) to study Anderson localization. By construction, the cluster-TMT approach is formally equivalen…

cond-mat.mtrl-sci2021★ 1 cited

Floquet band engineering and topological phase transitions in 1T' transition metal dichalcogenides

Xiangru Kong, Wei Luo, Linyang Li +3

Using ab initio tight-binding approaches, we investigate Floquet band engineering of the 1T' phase of transition metal dichalcogenides (MX2, M = W, Mo and X = Te, Se, S) monolayers…

cond-mat.supr-con2021★ 6 cited

Superconducting gap symmetry from Bogoliubov quasiparticle interference analysis on {Sr}{RuO}

Shinibali Bhattacharyya, Andreas Kreisel, X. Kong +4

The nature of the superconducting order parameter in {Sr}{RuO} has generated intense interest in recent years. Since the superconducting gap is very small, high resolution…

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.dis-nn2020★ 3 cited

Simulating Spin Waves in Entropy Stabilized Oxides

Tom Berlijn, Gonzalo Alvarez, David S. Parker +2

The entropy stabilized oxide MgCoNiCuZnO exhibits antiferromagnetic order and magnetic excitations, as revealed by recent neutron scattering…

cond-mat.mtrl-sci2020★ 14 cited

Success and breakdown of the T-matrix approximation for phonon-disorder scattering

S. Thébaud, C. A. Polanco, L. Lindsay +1

We examine the validity of the widely used T-matrix approximation for treating phonon-disorder scattering by implementing an unfolding algorithm that allows simulation of disorder…

cond-mat.mtrl-sci2020★ 23 cited

Interlayer magnetism in Fe3-xGeTe2

Xiangru Kong, Giang D. Nguyen, Jinhwan Lee +7

FeGeTe is a layered van der Waals magnetic material with a relatively high ordering temperature and large anisotropy. While most studies have concluded the interlayer o…

cond-mat.mes-hall2019★ 1 cited

Emerging edge states on the surface of the epitaxial semimetal CuMnAs thin film

Giang D. Nguyen, Krishna Pitike, Peter Wadley +4

Epitaxial thin films of CuMnAs have recently attracted attention due to their potential to host relativistic antiferromagnetic spintronics and exotic topological physics. Here we r…

cond-mat.mtrl-sci2019★ 31 cited

Unfolding the complexity of quasi-particle physics in disordered materials

Sai Mu, Raina Olsen, B. Dutta +9

The concept of quasi-particles forms the theoretical basis of our microscopic understanding of emergent phenomena associated with quantum mechanical many-body interactions. However…