Origin of planar Hall effect on the surface of topological insulators: Tilt of Dirac cone by an in-plane magnetic field

SH Zheng, HJ Duan, JK Wang, JY Li, MX Deng… - Physical Review B, 2020 - APS
Recently, a novel planar Hall effect (PHE), which results from the resistivity anisotropy
induced by an in-plane magnetic field, was discovered on the surface of topological …

Structure inversion asymmetry enhanced electronic structure and electrical transport in 2D A3SnO (A = Ca, Sr, and Ba) anti-perovskite monolayers

SM Alay-e-Abbas, G Abbas, W Zulfiqar, M Sajjad… - Nano Research, 2023 - Springer
Abstract Anti-perovskites A3SnO (A= Ca, Sr, and Ba) are an important class of materials due
to the emergence of Dirac cones and tiny mass gaps in their band structures originating from …

Optical absorption in two-dimensional materials with tilted Dirac cones

A Wild, E Mariani, ME Portnoi - Physical Review B, 2022 - APS
The interband optical absorption of linearly polarized light by two-dimensional (2D)
semimetals hosting tilted and anisotropic Dirac cones in the band structure is analysed …

Robust weak antilocalization due to spin-orbital entanglement in Dirac material Sr3SnO

H Nakamura, D Huang, J Merz, E Khalaf… - Nature …, 2020 - nature.com
The presence of both inversion (P) and time-reversal (T) symmetries in solids leads to a
double degeneracy of the electronic bands (Kramers degeneracy). By lifting the degeneracy …

Higher-order topological insulators in antiperovskites

Y Fang, J Cano - Physical Review B, 2020 - APS
We predict that a family of antiperovskite materials realize a higher-order topological
insulator phase, characterized by a previously introduced Z 4 index. A tight-binding model …

ARPES studies of the inverse perovskite : Experimental confirmation of a candidate 3D Dirac fermion system

Y Obata, R Yukawa, K Horiba, H Kumigashira, Y Toda… - Physical Review B, 2017 - APS
We investigate the band structure of the inverse perovskite Ca 3 PbO, a candidate three-
dimensional (3D) Dirac fermion material, through soft x-ray angle-resolved photoemission …

Photonic Dirac nodal-line semimetals realized by a hypercrystal

S Hu, Z Guo, H Jiang, H Chen - Physical Review Research, 2022 - APS
Recently, the gapless Dirac/Weyl nodal semimetals with linear dispersion and topologically
protected modes degeneracy have been rapidly growing frontiers of topological physics …

Planar Hall effect with sixfold oscillations in a Dirac antiperovskite

D Huang, H Nakamura, H Takagi - Physical Review Research, 2021 - APS
The planar Hall effect (PHE), wherein a rotating magnetic field in the plane of a sample
induces oscillating transverse voltage, has recently garnered attention in a wide range of …

Realization of Epitaxial Thin Films of the Topological Crystalline Insulator Sr3SnO

Y Ma, A Edgeton, H Paik, BD Faeth… - Advanced …, 2020 - Wiley Online Library
Topological materials are derived from the interplay between symmetry and topology.
Advances in topological band theories have led to the prediction that the antiperovskite …

Interaction effects on the classification of crystalline topological insulators and superconductors

XY Song, AP Schnyder - Physical Review B, 2017 - APS
We classify interacting topological insulators and superconductors with order-two crystal
symmetries (reflection or twofold rotation), focusing on the case where interactions reduce …