Physics – Physics Education
Scientific paper
2001-02-08
Am.J.Phys. 70 (2002) 680
Physics
Physics Education
5 pages from tex file + 3 figures (eps files)
Scientific paper
10.1119/1.1477429
Fermat's principle and variational analysis is used to analyze the
trajectories of light propagating in a radially inhomogeneous medium with a
singularity in the center. It is found that the light trajectories are similar
to those around a black hole, in the sense that there exists a critical radius
within which the light cannot escape, but spirals into the singularity.
Anderson Daniel
Cattani Federica
Lisak Mietek
Lundgren Lawrence
Marklund Mattias
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