9 papers
Competing Extended-- and -Wave Pairing from Distinct Spin-Fluctuation Channels in Stoichiometric
Yichen Hua, Wen-lin Yang, Jian-Jian Miao +2
The recent observation of superconductivity in stoichiometric raises the question of how pairing develops in this tetragonal 11-type chalcogenide once interstitial…
Weak coupling theory of nickel-based 327 superconductors
Miao Jianjian, Chen Weiqiang
This review provides a comprehensive survey of weak-coupling theoretical approaches applied to understand the emergent superconductivity in the pressurized nickelate bilayer system…
Superconductivity, pseudogap and marginal Fermi liquid in a relative-momentum-local theory
Jian-Jian Miao
Cuprate superconductors host \(d\)-wave superconductivity (SC), a pseudogap (PG) with Fermi arcs and a strange metal (SM) with incoherent excitations and temperature-linear resisti…
Hall Coefficient Sign Reversal Driven by Orbital-Selective Oxygen-Vacancy Scattering in Nickelate Films
Jian-Jian Miao, Yue Liu, Yue Zhao +3
Hall measurements in superconducting bilayer nickelate films show sign reversals that cannot be explained by rigid-band electron doping alone. We combine a DFT+CDMFT-derived correl…
Atomically resolved intrinsic superconducting gap in (La,Pr)3Ni2O7 films
Xinxin Wang, Yaqi Chen, Cui Ding +7
Ruddlesden-Popper bilayer nickelates provide an emerging platform for studying high-temperature superconductivity, yet the superconducting pairing symmetry remains under debate. He…
Possible Enhancement of Superconductivity in Ambient-Pressure LaNiO Thin Film
Yichen Hua, Wenxin He, Wei-Qiang Chen +2
As an unconventional superconducting system capable of reaching 60 K under ambient pressure, the LaNiO thin film superconductor has recently become a focal point in the…