Two-electron quantum dot in tilted magnetic fields: Sensitivity to the confinement model T. Frostad, J. P. Hansen, C. J. Wesslén, E. Lindroth and E. Räsänen Eur. Phys. J. B, 86 10 (2013) 430 Published online: 14 October 2013 DOI: 10.1140/epjb/e2013-40677-x