arXiv:1609.05775hep-th
Asymptotic Black Holes
Early discovery. Linked by one identifiable commenter. This paper is outside the main ranking; a mention is not an endorsement.
Abstract
Following earlier works on the KMY model of black-hole formation and evaporation, we construct the metric for a matter sphere in gravitational collapse, with the back-reaction of pre-Hawking radiation taken into consideration. The mass distribution and collapsing velocity of the matter sphere are allowed to have an arbitrary radial dependence. We find that a generic gravitational collapse asymptote to a universal configuration which resembles a black hole but without horizon. This approach clarifies several misunderstandings about black-hole formation and evaporation, and provides a new model for black-hole-like objects in the universe.
There's plenty of papers by others past this one, showing a more accurate model yields black holes, for example [1]. Here's [2] about 25 others. [1] https://arxiv.org/pdf/1609.05775.pdf [2] https://scholar.google.com/scholar?cites=1202693519145031586...
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