Generalization of Benalcazar-Bernevig-Hughes model to arbitrary dimensions

XJ Luo, F Wu - Physical Review B, 2023 - APS
The Benalcazar-Bernevig-Hughes (BBH) model [WA Benalcazar, BA Bernevig, and TL
Hughes, Science 357, 61 (2017) 10.1126/science. aah6442], featuring a bulk quadrupole …

Topological hinge modes in Dirac semimetals

XT Zeng, Z Chen, C Chen, BB Liu, XL Sheng… - Frontiers of …, 2023 - Springer
Dirac semimetals (DSMs) are an important class of topological states of matter. Here,
focusing on DSMs of band inversion type, we investigate their boundary modes from the …