Comments on: Frame dragging anomalies for rotating bodies
Culetu, Hristu
Original · EN
It is shown that Collas and Klein (ArXiv: 0811.2471 [gr-qc]) wrongly concluded that "negative frame dragging" phenomenon takes place at all finite r and z coordinate values. We argue that a test particle with zero angular momentum counter-rotates with respect to the source in the "time machine" region only. In addition, Bonnor's spacetime has an event horizon at rₕ = 0.
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