Cherenkov emission in a nanowire material
David E. FernandesUniversity of Coimbra, Department of Electrical Engineering–Instituto de Telecomunicações, 3030-290, Coimbra, PortugalStanislav I. MaslovskiUniversity of Coimbra, Department of Electrical Engineering–Instituto de Telecomunicações, 3030-290, Coimbra, PortugalMário G. SilveirinhaUniversity of Coimbra, Department of Electrical Engineering–Instituto de Telecomunicações, 3030-290, Coimbra, Portugal
2012en
ABI
Abstract
We study the Cherenkov emission in the vicinity of (or within) a nanowire metamaterial, and demonstrate that due to the anomalously high density of electromagnetic states in such structures, it is possible to boost the Cherenkov emission by several orders of magnitude as compared to natural media, and produce Cherenkov radiation with no threshold for the velocity of the charged particles.
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