%0 Journal Article %T Graphene tests of Klein phenomena %A Stefano De Leo %A Pietro Rotelli %J Physics %D 2012 %I arXiv %R 10.1088/1751-8113/44/47/475305 %X Graphene is characterized by chiral electronic excitations. As such it provides a perfect testing ground for the production of Klein pairs (electron/holes). If confirmed, the standard results for barrier phenomena must be reconsidered with, as a byproduct, the accumulation within the barrier of holes. %U http://arxiv.org/abs/1202.1470v1