Encounters of spherical dust white holes of nonzero spatial curvatures with collapsing dust shells

Details Encounters of spherical dust white holes of nonzero spatial curvatures with collapsing dust shells Encounters of spherical dust white holes of nonzero spatial curvatures with collapsing dust shells

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..48.3478d&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 48, Issue 8, 15 October 1993, pp.3478-3482

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Black Holes, Relativity And Gravitation

Scientific paper

We considered earlier the encounter of a homogeneous spherical dust white hole with zero spatial curvature with a collapsing spherical shell. We generalize here our investigation to the cases of nonzero spatial curvatures for the white hole. We find that if the combined radius at the instant of collision is less than the Schwarzschild radius (rSch) the ``mean fluid'' continues to expand. On the other hand, if the combined radius is greater than rSch initially the ``mean fluid'' contracts, but may bounce on reaching rSch in certain cases. However, a distant observer will see either the collapsing or the expanding phase of collapse of the combined system but not both.

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