Spin-orbit physics giving rise to novel phases in correlated systems: Iridates and related materials

JG Rau, EKH Lee, HY Kee - Annual Review of Condensed …, 2016‏ - annualreviews.org
Recently, the effects of spin-orbit coupling (SOC) in correlated materials have become one
of the most actively studied subjects in condensed matter physics, as correlations and SOC …

Robust kagome electronic structure in the topological quantum magnets

X Gu, C Chen, WS Wei, LL Gao, JY Liu, X Du, D Pei… - Physical Review B, 2022‏ - APS
Crystal geometry can greatly influence the emergent properties of quantum materials. As an
example, the kagome lattice is an ideal platform to study the rich interplay between topology …

Evidence for band renormalizations in strong-coupling superconducting alkali-fulleride films

JS Zhou, RZ Xu, XQ Yu, FJ Cheng, WX Zhao, X Du… - Physical Review Letters, 2023‏ - APS
There has been a long-standing debate about the mechanism of the unusual
superconductivity in alkali-intercalated fullerides. In this Letter, using high-resolution angle …

Electronic band structure of iridates

A Dhingra, T Komesu, S Kumar, K Shimada… - Materials …, 2021‏ - pubs.rsc.org
In this review, an attempt has been made to compare the electronic structures of various 5d
iridates (iridium oxides), with an effort to note the common features and differences. Both …

Variational cluster approach to thermodynamic properties of interacting fermions at finite temperatures: A case study of the two-dimensional single-band Hubbard …

K Seki, T Shirakawa, S Yunoki - Physical Review B, 2018‏ - APS
We formulate a finite-temperature scheme of the variational cluster approximation (VCA)
particularly suitable for an exact-diagonalization cluster solver. Based on the analytical …

Spectral functions of Sr2IrO4: theory versus experiment

B Lenz, C Martins, S Biermann - Journal of Physics: Condensed …, 2019‏ - iopscience.iop.org
The spin–orbit Mott insulator Sr 2 IrO 4 has attracted a lot of interest in recent years from
theory and experiment due to its close connection to isostructural high-temperature copper …

Nonlocal Coulomb correlations in pure and electron-doped : Spectral functions, Fermi surface, and pseudo-gap-like spectral weight distributions from oriented …

C Martins, B Lenz, L Perfetti, V Brouet, F Bertran… - Physical Review …, 2018‏ - APS
We address the role of nonlocal Coulomb correlations and short-range magnetic fluctuations
in the high-temperature phase of Sr 2 IrO 4 within state-of-the-art spectroscopic and first …

Spin-orbital entangled excitonic insulator with quadrupole order

T Sato, T Shirakawa, S Yunoki - Physical Review B, 2019‏ - APS
We employ the multiorbital dynamical mean-field theory to examine the ground state of a
three-orbital Hubbard model with a relativistic spin-orbit coupling (SOC) at four electrons per …

Towards robust dichroism in angle-resolved photoemission

J Schusser, H Orio, M Ünzelmann, J Heßdörfer… - Communications …, 2024‏ - nature.com
Dichroic techniques are highly relevant in the field of topological materials, layered systems,
and spin-polarized electronic states. Dichroism in angle-resolved photoemission is per se a …

Correlation induced electron-hole asymmetry in quasi-two-dimensional iridates

EM Pärschke, K Wohlfeld, K Foyevtsova… - Nature …, 2017‏ - nature.com
The resemblance of crystallographic and magnetic structures of the quasi-two-dimensional
iridates Ba2IrO4 and Sr2IrO4 to La2CuO4 points at an analogy to cuprate high-Tc …