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 …

From quantum matter to high-temperature superconductivity in copper oxides

B Keimer, SA Kivelson, MR Norman, S Uchida… - Nature, 2015 - nature.com
The discovery of high-temperature superconductivity in the copper oxides in 1986 triggered
a huge amount of innovative scientific inquiry. In the almost three decades since, much has …

Nodeless electron pairing in CsV3Sb5-derived kagome superconductors

Y Zhong, J Liu, X Wu, Z Guguchia, JX Yin, A Mine, Y Li… - Nature, 2023 - nature.com
The newly discovered kagome superconductors represent a promising platform for
investigating the interplay between band topology, electronic order and lattice geometry …

Observation of Fermi-surface–dependent nodeless superconducting gaps in Ba0. 6K0. 4Fe2As2

H Ding, P Richard, K Nakayama, K Sugawara… - Europhysics …, 2008 - iopscience.iop.org
We have performed a high-resolution angle-resolved photoelectron spectroscopy study on
the newly discovered superconductor Ba 0.6 K 0.4 Fe 2 As 2 (T c= 37 K). We have observed …

Electronic origin of high superconducting critical temperature in trilayer cuprates

X Luo, H Chen, Y Li, Q Gao, C Yin, H Yan, T Miao… - Nature Physics, 2023 - nature.com
In high-temperature cuprate superconductors, the superconducting transition temperature (T
c) depends on the number of CuO2 planes in the structural unit and the maximum T c is …

Energy gaps in high-transition-temperature cuprate superconductors

M Hashimoto, IM Vishik, RH He, TP Devereaux… - Nature Physics, 2014 - nature.com
The spectral energy gap is an important signature that defines states of quantum matter:
insulators, density waves and superconductors have very different gap structures. The …

The pseudogap: friend or foe of high T c ?

MR Norman, D Pines, C Kallin - Advances in Physics, 2005 - Taylor & Francis
Although nineteen years have passed since the discovery of high temperature cuprate
superconductivity, there is still no consensus on its physical origin. This is in large part …

High-temperature superconductivity in potassium-coated multilayer FeSe thin films

Y Miyata, K Nakayama, K Sugawara, T Sato… - Nature materials, 2015 - nature.com
The recent discovery of possible high-temperature (T c) superconductivity over 65 K in a
monolayer FeSe film on SrTiO3 (refs,,,,,) triggered a fierce debate on how superconductivity …

The effect of collective spin-1 excitations on electronic spectra in high- Tc superconductors

M Eschrig - Advances in Physics, 2006 - Taylor & Francis
We review recent experimental and theoretical results on the interaction between single-
particle excitations and collective spin excitations in the superconducting state of high-Tc …

Octet-Line Node Structure of Superconducting Order Parameter in KFe2As2

K Okazaki, Y Ota, Y Kotani, W Malaeb, Y Ishida… - Science, 2012 - science.org
In iron-pnictide superconductivity, the interband interaction between the hole and electron
Fermi surfaces (FSs) is believed to play an important role. However, KFe2As2 has three …