Through a Black Hole Singularity
arXiv:2109.10753 · doi:10.1103/PhysRevD.106.044015
Abstract
We show that the Kantowski--Sachs model of a Schwarzschild black hole interior can be slightly generalized in order to accommodate spatial metrics of different orientations, and in this formulation the equations of motion admit a variable redefinition that makes the system regular at the singularity. This system will then traverse the singularity in a deterministic way (information will be conserved through it), and evolve into a time-reversed and orientation-flipped Schwarzschild white hole interior.
arXiv comment8 pages, 5 figures
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