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 …

Unconventional superconductivity

GR Stewart - Advances in Physics, 2017‏ - Taylor & Francis
'Conventional'superconductivity, as used in this review, refers to electron–phonon-coupled
superconducting electron pairs described by BCS theory. Unconventional superconductivity …

Anomalously strong near-neighbor attraction in doped 1D cuprate chains

Z Chen, Y Wang, SN Rebec, T Jia, M Hashimoto, D Lu… - Science, 2021‏ - science.org
In the cuprates, one-dimensional (1D) chain compounds provide a distinctive opportunity to
understand the microscopic physics, owing to the availability of reliable theories. However …

Interfacial mode coupling as the origin of the enhancement of Tc in FeSe films on SrTiO3

JJ Lee, FT Schmitt, RG Moore, S Johnston, YT Cui… - Nature, 2014‏ - nature.com
Films of iron selenide (FeSe) one unit cell thick grown on strontium titanate (SrTiO3 or STO)
substrates have recently shown,,, superconducting energy gaps opening at temperatures …

Phonon-mediated long-range attractive interaction in one-dimensional cuprates

Y Wang, Z Chen, T Shi, B Moritz, ZX Shen… - Physical review …, 2021‏ - APS
Establishing a minimal microscopic model for cuprates is a key step towards the elucidation
of a high-T c mechanism. By a quantitative comparison with a recent in situ angle-resolved …

Charge order at high temperature in cuprate superconductors

R Arpaia, G Ghiringhelli - Journal of the Physical Society of Japan, 2021‏ - journals.jps.jp
The presence of different electronic orders other than superconductivity populating the
phase diagram of cuprates suggests that they might be the key to disclose the mysteries of …

Rapid change of superconductivity and electron-phonon coupling through critical do** in Bi-2212

Y He, M Hashimoto, D Song, SD Chen, J He, IM Vishik… - Science, 2018‏ - science.org
Electron-boson coupling plays a key role in superconductivity for many systems. However, in
copper-based high–critical temperature (T c) superconductors, its relation to …

Influence of apical oxygen on the extent of in-plane exchange interaction in cuprate superconductors

YY Peng, G Dellea, M Minola, M Conni, A Amorese… - Nature Physics, 2017‏ - nature.com
In high-T c superconductors the magnetic and electronic properties are determined by the
probability that valence electrons jump virtually from site to site in the CuO2 planes, a …

Energy and symmetry of dd excitations in undoped layered cuprates measured by Cu L3 resonant inelastic x-ray scattering

MM Sala, V Bisogni, C Aruta, G Balestrino… - New Journal of …, 2011‏ - iopscience.iop.org
We measured the high-resolution Cu L 3 edge resonant inelastic x-ray scattering (RIXS) of
undoped cuprates La 2 CuO 4, Sr 2 CuO 2 Cl 2, CaCuO 2 and NdBa 2 Cu 3 O 6. The …

Enhanced superconductivity due to forward scattering in FeSe thin films on SrTiO3 substrates

L Rademaker, Y Wang, T Berlijn, S Johnston - arxiv preprint arxiv …, 2015‏ - arxiv.org
We study the consequences of an electron-phonon ($ e $-$ ph $) interaction that is strongly
peaked in the forward scattering ($\mathbf {q}= 0$) direction in a two-dimensional …