Semiclassical one-loop analysis of solvable near-critical collapse solutions shows quantum corrections selecting a Boulware-like state and producing a growing mode that yields a finite mass gap and a transition to Type I behavior, enforcing weak cosmic censorship.
The instability of naked singularities in the gravitational collapse of a scalar field
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abstract
One of the fundamental unanswered questions in the general theory of relativity is whether ``naked'' singularities, that is singular events which are visible from infinity, may form with positive probability in the process of gravitational collapse. The conjecture that the answer to this question is in the negative has been called ``cosmic censorship.'' The present paper, which is a continuation previous work, addresses this question in the context of the spherical gravitational collapse of a scalar field.
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Sufficient conditions are given for a unique outer horizon to cloak a negative-mass Schwarzschild timelike naked singularity when non-negative localized anisotropic matter is added.
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Unveiling horizons in quantum critical collapse
Semiclassical one-loop analysis of solvable near-critical collapse solutions shows quantum corrections selecting a Boulware-like state and producing a growing mode that yields a finite mass gap and a transition to Type I behavior, enforcing weak cosmic censorship.
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Classical Dressing of Timelike Naked Singularities
Sufficient conditions are given for a unique outer horizon to cloak a negative-mass Schwarzschild timelike naked singularity when non-negative localized anisotropic matter is added.