@ARTICLE {1612,
author={M. G. Silveirinha and N. Engheta},
doi={10.1103/PhysRevLett.97.157403},
journal={Physical Review Letters},
title={Tunneling of electromagnetic energy through subwavelength channels and bends using epsilon-near-zero materials},
year={2006},
month={October},
volume={97},
number={157403},
pages={1-4},
ISSN={1079-7114}
}