Unconventional density waves and superconductivities in Fe-based superconductors and other strongly correlated electron systems

H Kontani, R Tazai, Y Yamakawa, S Onari - Advances in Physics, 2021 - Taylor & Francis
In this article, we review the recent significant progress in the theoretical studies of the
electronic states by mainly focusing on Fe-based and cuprate superconductors. These …

ARPES detection of superconducting gap sign in unconventional superconductors

Q Gao, JM Bok, P Ai, J Liu, H Yan, X Luo, Y Cai… - Nature …, 2024 - nature.com
The superconducting gap symmetry is crucial in understanding the underlying
superconductivity mechanism. Angle-resolved photoemission spectroscopy (ARPES) has …

Nodal s± pairing symmetry in an iron-based superconductor with only hole pockets

D Wu, J Jia, J Yang, W Hong, Y Shu, T Miao, H Yan… - Nature Physics, 2024 - nature.com
The origin of high-temperature superconductivity in iron-based superconductors is still not
understood; determination of the pairing symmetry is essential for understanding the …

Second magnetization peak, anomalous field penetration, and Josephson vortices in KCaFeAsF bilayer pnictide superconductor

PV Lopes, S Sundar, S Salem-Sugui Jr, W Hong… - Scientific Reports, 2022 - nature.com
We performed magnetization measurements in a single crystal of the anisotropic bilayer
pnictide superconductor KCa 2 Fe 4 As 4 F 2, with T c≃ 34 K, for H‖ c-axis and H‖ ab …

Genuine electronic structure and superconducting gap structure in (Ba0. 6K0. 4) Fe2As2 superconductor

Y Cai, J Huang, T Miao, D Wu, Q Gao, C Li, Y Xu, J Jia… - Science Bulletin, 2021 - Elsevier
The electronic structure and superconducting gap structure are prerequisites to establish
microscopic theories in understanding the superconductivity mechanism of iron-based …

[HTML][HTML] Second magnetization peak, anomalous field penetration, and Josephson vortices in KCa [... formula...] Fe [... formula...] As [... formula...] F [... formula...] bilayer …

PV Lopes, S Sundar, S Salem-Sugui Jr, W Hong… - Scientific …, 2022 - ncbi.nlm.nih.gov
We performed magnetization measurements in a single crystal of the anisotropic bilayer
pnictide superconductor KCa 2 Fe 4 As 4 F 2, with T c≃ 34 K, for H‖ c-axis and H‖ ab …

Observation of a Ubiquitous (π, π)-Type Nematic Superconducting Order in the Whole Superconducting Dome of Ultra-Thin BaFe2–x Ni x As2 Single Crystals

Y Dong, Y Lv, Z Xu, M Abdel-Hafiez… - Chinese Physics …, 2021 - iopscience.iop.org
In iron-based superconductors, the (0, π) or (π, 0) nematicity, which describes an electronic
anisotropy with a four-fold symmetry breaking, is well established and believed to be …

Second magnetization peak, anomalous field penetration, and Josephson vortices in KCa [Formula: see text] Fe [Formula: see text] As [Formula: see text] F [Formula …

PV Lopes, S Sundar, S Salem-Sugui Jr, W Hong… - Scientific …, 2022 - europepmc.org
We performed magnetization measurements in a single crystal of the anisotropic bilayer
pnictide superconductor KCa 2 Fe 4 As 4 F 2, with T c≃ 34 K, for H‖ c-axis and H‖ ab …

[PDF][PDF] Observation of a Ubiquitous ()-Type Nematic Superconducting Order in the Whole Superconducting Dome of Ultra-Thin BaFeNiAs Single Crystals

D Yu, L Yangyang, X Zuyu - Chinese Physics Letters, 2021 - sc8.iphy.ac.cn
In iron-based superconductors, the (0, π) or (π, 0) nematicity, which describes an electronic
anisotropy with a fourfold symmetry breaking, is well established and believed to be …