On the remarkable superconductivity of FeSe and its close cousins

A Kreisel, PJ Hirschfeld, BM Andersen - Symmetry, 2020 - mdpi.com
Emergent electronic phenomena in iron-based superconductors have been at the forefront
of condensed matter physics for more than a decade. Much has been learned about the …

Probing topological quantum matter with scanning tunnelling microscopy

JX Yin, SH Pan, M Zahid Hasan - Nature Reviews Physics, 2021 - nature.com
The search for topological phases of matter is evolving towards strongly interacting systems,
including magnets and superconductors, where exotic effects emerge from the quantum …

Exotic superconducting states in FeSe-based materials

T Shibauchi, T Hanaguri, Y Matsuda - Journal of the Physical Society …, 2020 - journals.jps.jp
High-temperature superconductivity and a wide variety of exotic superconducting states
discovered in FeSe-based materials have been at the frontier of research on condensed …

Detecting and distinguishing Majorana zero modes with the scanning tunnelling microscope

B Jäck, Y **e, A Yazdani - Nature Reviews Physics, 2021 - nature.com
One of the most exciting areas of research in quantum condensed matter physics is the push
to create topologically protected qubits using non-Abelian anyons. The focus of these efforts …

Nature of the Dirac gap modulation and surface magnetic interaction in axion antiferromagnetic topological insulator

AM Shikin, DA Estyunin, II Klimovskikh, SO Filnov… - Scientific Reports, 2020 - nature.com
Modification of the gap at the Dirac point (DP) in axion antiferromagnetic topological
insulator MnBi 2 Te 4 and its electronic and spin structure have been studied by angle-and …

Atomic line defects and zero-energy end states in monolayer Fe (Te, Se) high-temperature superconductors

C Chen, K Jiang, Y Zhang, C Liu, Y Liu, Z Wang… - Nature Physics, 2020 - nature.com
Majorana zero-energy bound states have been proposed to exist at the ends of one-
dimensional Rashba nanowires proximity-coupled to an s-wave superconductor in an …

Topological superconductivity from unconventional band degeneracy with conventional pairing

Z Zhang, Z Wu, C Fang, F Zhang, J Hu, Y Wang… - Nature …, 2024 - nature.com
We present a new scheme for Majorana modes in systems with nonsymmorphic-symmetry-
protected band degeneracy. We reveal that when the gapless fermionic excitations are …

Spin-polarized Yu-Shiba-Rusinov states in an iron-based superconductor

D Wang, J Wiebe, R Zhong, G Gu, R Wiesendanger - Physical Review Letters, 2021 - APS
Yu-Shiba-Rusinov (YSR) bound states appear when a magnetic atom interacts with a
superconductor. Here, we report on spin-resolved spectroscopic studies of YSR states …

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 …

Observation of In-Gap States in a Two-Dimensional CrI2/NbSe2 Heterostructure

P Li, J Zhang, D Zhu, CQ Chen, E Yi, B Shen, Y Hou… - Nano Letters, 2024 - ACS Publications
Low-dimensional magnetic structures coupled with superconductors are promising platforms
for realizing Majorana zero modes, which have potential applications in topological quantum …