Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021 - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Superconductivity in infinite-layer nickelates

Y Nomura, R Arita - Reports on Progress in Physics, 2022 - iopscience.iop.org
The recent discovery of the superconductivity in the doped infinite layer nickelates RNiO 2
(R= La, Pr, Nd) is of great interest since the nickelates are isostructural to doped (Ca, Sr) …

Superconductivity in an infinite-layer nickelate

D Li, K Lee, BY Wang, M Osada, S Crossley, HR Lee… - Nature, 2019 - nature.com
The discovery of unconventional superconductivity in (La, Ba) 2CuO4 (ref.) has motivated
the study of compounds with similar crystal and electronic structure, with the aim of finding …

Spin–Orbit-Entangled Electronic Phases in 4d and 5d Transition-Metal Compounds

T Takayama, J Chaloupka, A Smerald… - Journal of the Physical …, 2021 - journals.jps.jp
Complex oxides with 4 d and 5 d transition-metal ions recently emerged as a new paradigm
in correlated electron physics, due to the interplay between spin–orbit coupling and electron …

Formation of a two-dimensional single-component correlated electron system and band engineering in the nickelate superconductor

Y Nomura, M Hirayama, T Tadano, Y Yoshimoto… - Physical review B, 2019 - APS
Motivated by the recent experimental discovery of superconductivity in the infinite-layer
nickelate Nd 0.8 Sr 0.2 NiO 2 [Li, Nature (London) 572, 624 (2019) 10.1038/s41586-019 …

[HTML][HTML] Kitaev materials

S Trebst, C Hickey - Physics Reports, 2022 - Elsevier
In transition-metal compounds with partially filled 4 d and 5 d shells spin–orbit
entanglement, electronic correlations, and crystal-field effects conspire to give rise to a …

Large orbital polarization in a metallic square-planar nickelate

J Zhang, AS Botana, JW Freeland, D Phelan, H Zheng… - Nature Physics, 2017 - nature.com
High-temperature cuprate superconductivity remains a defining problem in condensed-
matter physics. Among myriad approaches to addressing this problem has been the study of …

Evidence for a spinon Kondo effect in cobalt atoms on single-layer 1T-TaSe2

Y Chen, WY He, W Ruan, J Hwang, S Tang, RL Lee… - Nature Physics, 2022 - nature.com
Quantum spin liquids are highly entangled, disordered magnetic states that are expected to
arise in frustrated Mott insulators and to exhibit exotic fractional excitations such as spinons …

Square lattice iridates

J Bertinshaw, YK Kim, G Khaliullin… - Annual Review of …, 2019 - annualreviews.org
Over the past few years, Sr2IrO4, a single-layer member of the Ruddlesden–Popper series
iridates, has received much attention as a close analog of cuprate high-temperature …

Ultrafast energy- and momentum-resolved dynamics of magnetic correlations in the photo-doped Mott insulator Sr2IrO4

MPM Dean, Y Cao, X Liu, S Wall, D Zhu… - Nature materials, 2016 - nature.com
Measuring how the magnetic correlations evolve in doped Mott insulators has greatly
improved our understanding of the pseudogap, non-Fermi liquids and high-temperature …