3 papers
cond-mat.str-el2025
Unconventional band splitting of CeSb in the devil's staircase transition
Tongrui Li, Zhanfeng Liu, Peng Li +15
The interplay between magnetism and electronic band structure is a central theme in condensed matter physics. CeSb, with its complex devil's staircase antiferromagnetic transition,…
cond-mat.supr-con2025
Revealing the electron-spin fluctuation coupling by photoemission in CaKFe4As4
Peng Li, Yuzhe Wang, Yabin Liu +8
Electron-boson coupling in unconventional superconductors is one of the key parameters in understanding the superconducting pairing symmetry. Here, we report definitive photoemissi…
cond-mat.supr-con2024
Evidence of electron interaction with an unidentified bosonic mode in superconductor CsCaFeAsF
Peng Li, Sen Liao, Zhicheng Wang +16
The kink structure in band dispersion usually refers to a certain electron-boson interaction, which is crucial in understanding the pairing in unconventional superconductors. Here…