Motion-induced radiation from electrons moving in Maxwell's fish-eye
Abstract
In \u{C}erenkov radiation and transition radiation, evanescent wave from motion of charged particles transfers into radiation coherently. However, such dissipative motion-induced radiations require particles to move faster than light in medium or to encounter velocity transition to pump energy. Inspired by a method to detect cloak by observing radiation of a fast-moving electron bunch going through it by Zhang {\itshape et al.}, we study the generation of electron-induced radiation from electrons' interaction with Maxwell's fish-eye sphere. Our calculation shows that the radiation is due to a combination of \u{C}erenkov radiation and transition radiation, which may pave the way to investigate new schemes of transferring evanescent wave to radiation.
Keywords
Cite
@article{arxiv.1307.3619,
title = {Motion-induced radiation from electrons moving in Maxwell's fish-eye},
author = {Yangjie Liu and L. K. Ang},
journal= {arXiv preprint arXiv:1307.3619},
year = {2013}
}
Comments
17 pages, 8 figures, including the Supplementary Information appended in publication. Scientific Reports 2013