Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

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 …

Zero-energy vortex bound state in the superconducting topological surface state of Fe (Se, Te)

T Machida, Y Sun, S Pyon, S Takeda, Y Kohsaka… - Nature materials, 2019 - nature.com
Majorana quasiparticles in condensed matter are important for topological quantum
computing,–, but remain elusive. Vortex cores of topological superconductors may …

Evidence of topological boundary modes with topological nodal-point superconductivity

AK Nayak, A Steinbok, Y Roet, J Koo, G Margalit… - Nature physics, 2021 - nature.com
Topological superconductors are an essential component for topologically protected
quantum computation and information processing. Although signatures of topological …

Symmetry demanded topological nodal-line materials

SY Yang, H Yang, E Derunova, SSP Parkin… - … in Physics: X, 2018 - Taylor & Francis
The realization of Dirac and Weyl physics in solids has made topological materials one of
the main focuses of condensed matter physics. Recently, the topic of topological nodal line …

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 …

Two-dimensional Weyl nodal-line semimetal in a ferromagnetic monolayer with a high Curie temperature

L Jin, X Zhang, Y Liu, X Dai, X Shen, L Wang, G Liu - Physical Review B, 2020 - APS
Nodal-line semimetals in two-dimensional (2D) materials have attracted intense attention
recently. From fundamental physics and spintronic application points of view, high Curie …

Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS2

YW Li, HJ Zheng, YQ Fang, DQ Zhang, YJ Chen… - Nature …, 2021 - nature.com
Topological superconductors (TSCs) are unconventional superconductors with bulk
superconducting gap and in-gap Majorana states on the boundary that may be used as …

Visualization of the strain-induced topological phase transition in a quasi-one-dimensional superconductor TaSe3

C Lin, M Ochi, R Noguchi, K Kuroda, M Sakoda… - Nature Materials, 2021 - nature.com
Control of the phase transition from topological to normal insulators can allow for an on/off
switching of spin current. While topological phase transitions have been realized by …

Topological crystalline superconductivity and second-order topological superconductivity in nodal-loop materials

H Shapourian, Y Wang, S Ryu - Physical Review B, 2018 - APS
We study the intrinsic fully gapped odd-parity superconducting order in doped nodal-loop
materials with a torus-shaped Fermi surface. We show that the mirror symmetry, which …