@ARTICLE {9291,
author={D. E. Fernandes and N. Engheta and M. G. Silveirinha},
doi={10.1103/PhysRevB.90.041406},
journal={Physical Review B - Condensed Matter and Materials Physics},
title={Wormhole for electron waves in graphene},
year={2014},
month={July},
volume={90},
number={041406(R)},
pages={1-5},
ISSN={1098-0121}
}