We propose a novel model for including spin-orbit interactions in buckled two dimensional systems. Our results show that in such systems, intrinsic spin-orbit coupling leads to a formation of Dirac cones, similar to Rashba model. We explore the microscopic origins of this behaviour and confirm our results using DFT calculations.
@article{arxiv.1703.04713,
title = {Spin-Orbit Dirac Fermions in 2D Systems},
author = {Aleksandr S. Rodin and Paul Z. Hanakata and Alexandra Carvalho and Harold S. Park and David K. Campbell and Antonio H. Castro Neto},
journal= {arXiv preprint arXiv:1703.04713},
year = {2017}
}