Joseph Maciejko, Eun-Ah Kim, Xiao-Liang QiPhys. Rev. B, 82, 195409. doi: 10.1103/PhysRevB.82.195409. arXiv:0908.0564 Thursday, November 4, 2010 Phys. Rev. B 2010 Maciejko.pdfFunding Soure: NSF Grant EEC-0646547Research Area: Topological Phases