Higher-order Weyl semimetals

SAA Ghorashi, T Li, TL Hughes - Physical review letters, 2020 - APS
We investigate higher-order Weyl semimetals (HOWSMs) having bulk Weyl nodes attached
to both surface and hinge Fermi arcs. We identify a new type of Weyl node, which we dub a …

Helical liquids in semiconductors

CH Hsu, P Stano, J Klinovaja… - … Science and Technology, 2021 - iopscience.iop.org
One-dimensional helical liquids can appear at boundaries of certain condensed matter
systems. Two prime examples are the edge of a quantum spin Hall insulator and the hinge …

Topological wave insulators: a review

F Zangeneh-Nejad, A Alù… - Comptes …, 2020 - comptes-rendus.academie-sciences …
Originally discovered in condensed matter systems, topological insulators (TIs) have been
ubiquitously extended to various fields of classical wave physics including photonics …

Higher-order topological odd-parity superconductors

Z Yan - Physical review letters, 2019 - APS
The topological property of a gapped odd-parity superconductor is jointly determined by its
pairing nodes and Fermi surfaces in the normal state. We reveal that the contractibility of …

Topological and holonomic quantum computation based on second-order topological superconductors

SB Zhang, WB Rui, A Calzona, SJ Choi… - Physical Review …, 2020 - APS
Majorana fermions feature non-Abelian exchange statistics and promise fascinating
applications in topological quantum computation. Recently, second-order topological …

Boundary-Obstructed Topological High- Superconductivity in Iron Pnictides

X Wu, WA Benalcazar, Y Li, R Thomale, CX Liu, J Hu - Physical Review X, 2020 - APS
Nontrivial topology and unconventional pairing are two central guiding principles in the
contemporary search for and analysis of superconducting materials and heterostructure …

Floquet generation of a second-order topological superconductor

AK Ghosh, T Nag, A Saha - Physical Review B, 2021 - APS
We theoretically investigate the Floquet generation of a second-order topological
superconducting (SOTSC) phase hosting Majorana corner modes (MCMs), considering a …

First-and second-order topological superconductivity and temperature-driven topological phase transitions in the extended Hubbard model with spin-orbit coupling

M Kheirkhah, Z Yan, Y Nagai, F Marsiglio - Physical Review Letters, 2020 - APS
The combination of spin-orbit coupling with interactions results in many exotic phases of
matter. In this Letter, we investigate the superconducting pairing instability of the two …

Majorana corner and hinge modes in second-order topological insulator/superconductor heterostructures

Z Yan - Physical Review B, 2019 - APS
As platforms of Majorana modes, topological insulator (quantum anomalous Hall insulator)/
superconductor heterostructures have attracted tremendous attention over the past decade …

Higher-order topological phases on fractal lattices

S Manna, S Nandy, B Roy - Physical Review B, 2022 - APS
Electronic materials harbor a plethora of exotic quantum phases, ranging from
unconventional superconductors to non-Fermi liquids and, more recently, topological …