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gr-qc2002
An Optical Analog of a Black Holes
Andrew Royston, Richard Gass
Using media with extremely low group velocities one can create an optical analog of a curved space-time. Leonhardt and Piwnicki have proposed that a vortex flow will act as an opti…
gr-qc1998★ 2 cited
Detecting Event Horizons and Stationary Surfaces
Richard G. Gass, F. Paul Esposito, L. C. R. Wijewardhana +1
We have investigated the behavior of three curvature invariants for Schwarzschild, Reissner-Nordstrøm, Kerr, and Kerr-Newman black holes. We have also studied these invariants for…