The Shadow of a Rotating Traversable Wormhole
Petya G. Nedkova, Vassil Tinchev, Stoytcho S. Yazadjiev
TL;DR
This paper investigates the shadows cast by rotating traversable wormholes in general relativity, comparing their appearance to Kerr black holes and analyzing how angular momentum influences the shadow shape.
Contribution
It provides a detailed analysis of the shadow features of rotating traversable wormholes and their dependence on angular momentum and observer inclination.
Findings
Shadows are similar to Kerr black holes at low angular momentum.
Shadows deviate significantly from Kerr black holes at higher angular momentum.
Shadow shape depends on observer inclination angle.
Abstract
We explore the shadow of certain class of rotating traversable wormholes within classical general relativity. The images depend on the angular momentum of the wormhole, and the inclination angle of the observer. We compare the results with the case of the Kerr black hole. For small angular momenta the shadows for the two solutions are nearly identical, however with the increasing of the angular momentum they start to deviate considerably.
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