Light Rays at Optical Black Holes in Moving Media

I. Brevik, G. Halnes

Light experiences a non-uniformly moving medium as an effective gravitational field, endowed with an effective metric tensor ${\tilde{g}}^{\mu \nu }={\eta }^{\mu \nu }+(n^2-1)u^{\mu }{u}^{\nu }$, $n$ being the re…