3 papers
cond-mat.str-el2026
Tuning superconducting pairing symmetry via a staggered potential in the doped honeycomb Hubbard model
Yanmei Cai, Yicheng Xiong, Ying Liang +1
The ability to control superconducting pairing symmetry is crucial for designing unconventional and topological superconductors, yet practical tuning parameters beyond chemical dop…
cond-mat.str-el2025
Pairing Symmetry Crossover from -wave to -wave in a Bilayer Nickelate Driven by Hund's Coupling and Crystal Field Splitting
Yicheng Xiong, Yanmei Cai, Tianxing Ma
The pairing symmetry of the recently discovered bilayer nickelate superconductor LaNiO is a subject of intense debate in condensed matter physics, with the two leading…
cond-mat.str-el2025
Comparison of superconducting pairing in doped cuprates and nickelates within an extended Hubbard model
Yicheng Xiong, Hang Ma, Hongxing Liu +2
Within a Hubbard model, we investigate the superconducting pairing behavior of infinite-layer nickelate and cuprate superconductors by using the determinant quan…