Katherine Luna, Eun-Ah Kim, Paul Oreto, Steven A Kivelson, David Goldhaber-GordonPhys. Rev. B 82, 235317. DOI: http://dx.doi.org/10.1103/PhysRevB.82.235317. arXiv:0905.1138 Wednesday, December 15, 2010 PhysRevB.82.235317.pdf