Black hole interior in Painleve-Gullstrand coordinates
classification
🌀 gr-qc
hep-th
keywords
blackcoordinatecoordinatesholeinteriorpainleve-gullstrandspatialtimelike
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A nonstatic Schwarzschild black hole interior solution in Painleve-Gullstrand coordinates is proposed in this paper, by means of a coordinate transformation that changes the spatial coordinate but the timelike one is preserved. The timelike and null geodesic equations are obtained exactly, taking advantage that the spatial z-coordinate is cyclic.
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