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.
Quantum dress for a naked singularity
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abstract
We investigate semiclassical backreaction on a conical naked singularity space-time with a negative cosmological constant in (2+1)-dimensions. In particular, we calculate the renormalized quantum stress-energy tensor for a conformally coupled scalar field on such naked singularity space-time. We then obtain the backreacted metric via the semiclassical Einstein equations. We show that, in the regime where the semiclassical approximation can be trusted, backreaction dresses the naked singularity with an event horizon, thus enforcing cosmic censorship.
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gr-qc 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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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.