@article {4932,
	title = {Surface edge state and half-quantized Hall conductance in topological insulators},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2011},
	doi = {10.1103/PhysRevB.84.085312},
	author = {Rui-Lin Chu and Junren Shi and Shun-Qing Shen}
}
