Majorana multipole response with magnetic point group symmetry

Y Yamazaki, S Kobayashi - Physical Review B, 2024 - APS
Majorana fermions (MFs) in a topological superconductor exhibit anisotropic
electromagnetic responses, called Majorana multipole responses, when MFs are …

Towards complete characterization of topological insulators and superconductors: A systematic construction of topological invariants based on Atiyah-Hirzebruch …

S Ono, K Shiozaki - arXiv preprint arXiv:2311.15814, 2023 - arxiv.org
The past decade has witnessed significant progress in topological materials investigation.
Symmetry-indicator theory and topological quantum chemistry provide an efficient scheme to …

Fermi-surface diagnosis for -wave-like topological superconductivity

Z Zhang, K Shiozaki, C Fang, S Ono - arXiv preprint arXiv:2407.20231, 2024 - arxiv.org
Theoretical prediction of topological superconductivity is key to their discovery. Recently, it is
proved that in 199 out of 230 space groups, topological superconductivity coexists with an …

Topological spectral bands with frieze groups

FR Lux, T Stoiber, S Wang, G Huang… - Journal of Mathematical …, 2024 - pubs.aip.org
Frieze groups are discrete subgroups of the full group of isometries of a flat strip. We
investigate here the dynamics of specific architected materials generated by acting with a …

Classification of time-reversal symmetric topological superconducting phases for conventional pairing symmetries

S Ono, K Shiozaki, H Watanabe - Physical Review B, 2024 - APS
Symmetry properties of Cooper pairs play a pivotal role in studies on topological
superconductivity. Unconventional superconductors, whose pairing symmetries are different …

Optical response of edge modes in time-reversal symmetric topological superconductors

H Kobayashi, H Bi, JJ He, S Ono - arXiv preprint arXiv:2411.09985, 2024 - arxiv.org
Topological superconductors and Majorana edge modes at their boundaries have been
theoretically predicted. However, their experimental observation remains controversial …