Using gap symmetry and structure to reveal the pairing mechanism in Fe-based superconductors

PJ Hirschfeld - Comptes Rendus Physique, 2016 - Elsevier
I review theoretical ideas and implications of experiments for the gap structure and symmetry
of the Fe-based superconductors. Unlike any other class of unconventional …

Evidence for dispersing 1D Majorana channels in an iron-based superconductor

Z Wang, JO Rodriguez, L Jiao, S Howard, M Graham… - Science, 2020 - science.org
The possible realization of Majorana fermions as quasiparticle excitations in condensed-
matter physics has created much excitement. Most studies have focused on Majorana bound …

Towards large-scale, ordered and tunable Majorana-zero-modes lattice on iron-based superconductors

G Li, M Li, X Zhou, HJ Gao - Reports on Progress in Physics, 2023 - iopscience.iop.org
Towards large-scale, ordered and tunable Majorana-zero-modes lattice on iron-based
superconductors Page 1 ACCEPTED MANUSCRIPT Towards large-scale, ordered and …

Topological quantum states of matter in iron-based superconductors: from concept to material realization

N Hao, J Hu - National Science Review, 2019 - academic.oup.com
We review recent progress in the exploration of topological quantum states of matter in iron-
based superconductors. In particular, we focus on the non-trivial topology existing in the …

Superconducting gap anisotropy in monolayer FeSe thin film

Y Zhang, JJ Lee, RG Moore, W Li, M Yi, M Hashimoto… - Physical review …, 2016 - APS
Superconductivity originates from pairing of electrons near the Fermi energy. The Fermi
surface topology and pairing symmetry are thus two pivotal characteristics of a …

Measurement of an Enhanced Superconducting Phase and a Pronounced Anisotropy of the Energy Gap of a Strained FeSe Single Layer in  …

R Peng, XP Shen, X Xie, HC Xu, SY Tan, M Xia… - Physical review …, 2014 - APS
Single-layer FeSe films with an extremely expanded in-plane lattice constant of 3.99±0.02 Å
are fabricated by epitaxially growing FeSe/Nb: SrTiO 3/KTaO 3 heterostructures and studied …

Topological phases in the single-layer FeSe

N Hao, J Hu - Physical Review X, 2014 - APS
A distinct electronic structure was observed in the single-layer FeSe which shows
surprisingly high-temperature superconductivity over 65 K. Here, we demonstrate that the …

Topological Superconductivity in an Extended -Wave Superconductor and Its Implication to Iron-Based Superconductors

S Qin, C Fang, FC Zhang, J Hu - Physical Review X, 2022 - APS
In the presence of both space and time reversal symmetries, an s-wave A 1 g
superconducting state is usually topologically trivial. Here, we demonstrate that an exception …

Orbital-selective pairing and superconductivity in iron selenides

EM Nica, R Yu, Q Si - npj Quantum Materials, 2017 - nature.com
An important challenge in condensed matter physics is understanding iron-based
superconductors. Among these systems, the iron selenides hold the record for highest …

ARPES measurements of the superconducting gap of Fe-based superconductors and their implications to the pairing mechanism

P Richard, T Qian, H Ding - Journal of Physics: Condensed …, 2015 - iopscience.iop.org
Its direct momentum sensitivity confers to angle-resolved photoemission spectroscopy
(ARPES) a unique perspective in investigating the superconducting gap of multi-band …