Dispersion kinks from electronic correlations in an unconventional iron-based superconductor

MH Chang, S Backes, D Lu, N Gauthier… - Nature …, 2024 - nature.com
The attractive interaction in conventional BCS superconductors is provided by a bosonic
mode. However, the pairing glue of most unconventional superconductors is unknown. The …

Anisotropic and tunable vortex topology in multiband iron-based superconductors

SQ Yu, W Cheng, C Li, XH Pan, G Xu… - arxiv preprint arxiv …, 2024 - arxiv.org
Building on the multiband nature of iron-based superconductors (FeSCs), we have
uncovered pronounced anisotropy in Majorana vortex topology arising from the interaction …

Topology meets time-reversal symmetry breaking in FeSeTe superconductor

M Roppongi, Y Cai, K Ogawa, S Liu, GQ Zhao… - arxiv preprint arxiv …, 2025 - arxiv.org
Time-reversal symmetry breaking (TRSB) in magnetic topological insulators induces a Dirac
gap in the topological surface state (TSS), leading to exotic phenomena such as the …