@article{DT238,
  title = {Local curvature and stability of two-dimensional systems},
  author = {Guan, Jie and Jin, Zhongqi and Zhu, Zhen and
            Chuang, Chern and Jin, Bih-Yaw and Tom\'anek, David},
  journal = {Phys. Rev. B},
  volume = {90},
  issue = {24},
  pages = {245403},
  numpages = {6},
  year = {2014},
  month = {Dec},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevB.90.245403},
  url = {http://link.aps.org/doi/10.1103/PhysRevB.90.245403}
}