Abstract
We present a coordinate-free criterion for negative refractive index valid for moving media and curved space-time. Even non-rigid media whose constituents move with a velocity profile are allowed for.
© 2009 IEEE
PDF ArticleWe present a coordinate-free criterion for negative refractive index valid for moving media and curved space-time. Even non-rigid media whose constituents move with a velocity profile are allowed for.
© 2009 IEEE
PDF Article