%0 Journal Article %T The Snell law for quaternionic potentials %A Stefano De Leo %A Gisele Ducati %J Physics %D 2014 %I arXiv %R 10.1063/1.4853895 %X By using the analogy between optics and quantum mechanics, we obtain the Snell law for the planar motion of quantum particles in the presence of quaternionic potentials. %U http://arxiv.org/abs/1401.4116v1