What drives nematic order in iron-based superconductors?

RM Fernandes, AV Chubukov, J Schmalian - Nature physics, 2014 - nature.com
Although the existence of nematic order in iron-based superconductors is now a well-
established experimental fact, its origin remains controversial. Nematic order breaks the …

Superconductivity in iron compounds

GR Stewart - Reviews of Modern Physics, 2011 - APS
Kamihara and coworkers' report of superconductivity at T c= 26 K in fluorine-doped
LaFeAsO inspired a worldwide effort to understand the nature of the superconductivity in this …

Bilayer Two-Orbital Model of under Pressure

Z Luo, X Hu, M Wang, W Wú, DX Yao - Physical review letters, 2023 - APS
The newly discovered Ruddlesden-Popper bilayer La 3 Ni 2 O 7 reaches a remarkable
superconducting transition temperature T c≈ 80 K under a pressure of above 14 GPa. Here …

-Wave Pairing and the Destructive Role of Apical-Oxygen Deficiencies in under Pressure

YB Liu, JW Mei, F Ye, WQ Chen, F Yang - Physical Review Letters, 2023 - APS
Recently, the bilayer perovskite nickelate La 3 Ni 2 O 7 has been reported to show evidence
of high-temperature superconductivity (SC) under a moderate pressure of about 14 GPa. To …

Electronic instabilities of kagome metals: saddle points and Landau theory

T Park, M Ye, L Balents - Physical Review B, 2021 - APS
We study electronic instabilities of a kagome metal with a Fermi energy close to saddle
points at the hexagonal Brillouin zone face centers. Using parquet renormalization group …

Unconventional superconductivity and density waves in twisted bilayer graphene

H Isobe, NFQ Yuan, L Fu - Physical Review X, 2018 - APS
We study electronic ordering instabilities of twisted bilayer graphene around the filling of n=
2 electrons per supercell, where correlated insulator state and superconductivity have been …

Gap symmetry and structure of Fe-based superconductors

PJ Hirschfeld, MM Korshunov… - Reports on progress in …, 2011 - iopscience.iop.org
The recently discovered Fe-pnictide and chalcogenide superconductors display low-
temperature properties suggesting superconducting gap structures which appear to vary …

High-temperature superconductivity in iron-based materials

J Paglione, RL Greene - Nature physics, 2010 - nature.com
The surprising discovery of superconductivity in layered iron-based materials, with transition
temperatures climbing as high as 55 K, has led to thousands of publications on this subject …

The puzzle of high temperature superconductivity in layered iron pnictides and chalcogenides

DC Johnston - Advances in Physics, 2010 - Taylor & Francis
The response of the worldwide scientific community to the discovery in 2008 of
superconductivity at T c= 26 K in the Fe-based compound LaFeAsO1− x F x has been very …

Superexchange and charge transfer in the nickelate superconductor La3Ni2O7 under pressure

W Wú, Z Luo, DX Yao, M Wang - Science China Physics, Mechanics & …, 2024 - Springer
Recently, a bulk nickelate superconductor La3Ni2O7 is discovered at pressures with a
remarkable high transition temperature T c∼ 80 K. Here, we study a Hubbard model with …