Pith. sign in

REVIEW 5 cited by

Regular Stringy Black Holes?

Not yet reviewed by Pith; the record is open.

Re-run · record.json Download PDF Read on arXiv ↗

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 1806.08377 v2 pith:UUVKTXZG submitted 2018-06-21 hep-th gr-qc

Pablo A. Cano , Samuele Chimento , Tomas Ortin , Alejandro Ruiperez This is my paper · ORCID
classification hep-thgr-qc
keywords spacetimealphablackcorrectionscurvaturedimensionaleliminateholes
verification ladder T0 review T1 audit T2 compute T3 formal
0 comments
abstract

We study the first-order $\alpha'$ corrections to the singular 4-dimensional massless stringy black holes studied in the nineties in the context of the Heterotic Superstring. We show that the $\alpha'$ corrections not only induce a non-vanishing mass and give rise to an event horizon, but also eliminate the singularity giving rise to a regular spacetime whose global structure includes further asymptotically flat regions in which the spacetime's mass is positive or negative. We study the timelike and null geodesics and their effective potential, showing that the spacetime is geodesically complete. We discuss the validity of this solution, arguing that the very interesting and peculiar properties of the solution are associated to the negative energy contributions coming from the terms quadratic in the curvature. As a matter of fact, the 10-dimensional configuration is singular. We extract some general lessons on attempts to eliminate black-hole singularities by introducing terms of higher order in the curvature.

Discussion (0). Continue with ORCID to comment.

Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Derivation of the Smarr formula from the Komar charge in Einstein-nonlinear electrodynamics theories and applications to regular black holes

    gr-qc 2026-05 unverdicted novelty 7.0 of 10

    Derives Smarr formula from generalized Komar charge in 4D Einstein-NLED theories by treating coupling constant as dynamical field, and analyzes thermodynamics of regular Bardeen black hole.

  2. Dynamical Formation of Regular Black Holes

    gr-qc 2024-12 conditional novelty 7.0 of 10

    In quasi-topological gravity, a collapsing thin shell bounces at small radius, producing a regular, geodesically complete black hole instead of a singularity.

  3. Regular black holes from thin-shell collapse

    gr-qc 2024-12 conditional novelty 7.0 of 10

    In D≥5 pure gravity with an infinite tower of higher-curvature terms, spherical thin-shell collapse generically produces regular black holes that bounce into new universes.

  4. Thermodynamic Phase Transitions and Quantum Entropy Corrections in the Simpson-Visser Regular Black Hole

    gr-qc 2025-12 reject novelty 4.0 of 10

    For the Simpson-Visser regular black hole, the heat capacity diverges at a = √2 m, but the claimed quantum entropy corrections are internally inconsistent: the 1/a² term has the wrong sign and the remnant-entropy form...

  5. Black hole solutions in theories of supergravity

    hep-th 2024-12 unverdicted

    A review of the history of black hole solutions in supergravity, from early no-superhair theorems to attractor mechanics and alpha-prime corrections.

Pith tools