Comparison of the spatial properties of entrances to black holes and wormholes
Igor D. Novikov, Serge V. Repin
TL;DR
This paper compares the spatial properties of black hole and wormhole entrances, revealing differences in the steepness of their spatial funnels across various models and mass configurations.
Contribution
It provides explicit expressions for the entrances and compares their spatial properties in bulk and brane representations, highlighting differences among Schwarzschild black holes and zero-mass wormholes.
Findings
Steepest spatial funnels are in Schwarzschild black holes.
Least steep funnels are in zero-mass wormholes.
Properties vary between bulk and brane descriptions.
Abstract
The spatial properties of the entrances to spherically symmetric black holes and wormholes with zero and positive masses are compared. The properties were studied in terms of bulk and brane. The explicit expressions for the entrances are found and it is shown that in both representations the spatial funnels of the entrances to the wormholes are the steepest for the Schwarzschild black holes, and the least steep for the wormholes with zero mass.
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