Invisibility cloaking without superluminal propagation

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Authors	PERCZEL Janos TYC Tomáš LEONHARDT Ulf
Year of publication	2011
Type	Article in Periodical
Magazine / Source	New Journal of Physics
MU Faculty or unit	Faculty of Science
Citation
Web	http://iopscience.iop.org/1367-2630/13/8/083007
Doi	http://dx.doi.org/10.1088/1367-2630/13/8/083007
Field	Optics, masers and lasers
Keywords	invisible cloaking; transformation optics; subluminal propagation
Description	Conventional cloaking based on Euclidean transformation optics requires that the speed of light should tend to infinity on the inner surface of the cloak. Non-Euclidean cloaking still needs media with superluminal propagation. Here we show by giving an example that this is no longer necessary.
Related projects:	Mathematical structures and their physical applications