Inner-extremal regular black holes from pure gravity

Article

Inner-extremal regular black holes from pure gravity

Di Filippo, F.; Kolář, I.; Kubizňák, D.

Phys. Rev. D 111(4), L041505 (2025)

Abstract

Recently, it was shown that essentially all regular black hole models constructed so far can be obtained as solutions of vacuum gravity equations, upon considering an infinite series of quasitopological higher curvature corrections. Here, we show that such a construction can be upgraded to yield regular black holes with vanishing inner horizon surface gravity. In four dimensions, such a condition is necessary for the absence of classical instabilities associated with mass inflation on the inner horizon.

Institute authors

Supported by

GACR 23-07457S — Skryté symetrie a chemie černých děr
PRIMUS/23/SCI/005 — Prostoročasy a pole v teoriích s derivacemi vyššího řádu
UNCE24/SCI/016 — Centrum částicové fyziky a kosmologie

BibTeX

@article{UTF1044,
  author        = {Di Filippo, F. and Kolář, I. and Kubizňák, D.},
  title         = {{Inner-extremal regular black holes from pure gravity}},
  journal       = {Phys. Rev. D},
  volume        = {111},
  number        = {4},
  pages         = {L041505},
  year          = {2025},
  doi           = {10.1103/PhysRevD.111.L041505},
  eprint        = {2404.07058},
  archivePrefix = {arXiv},
  url           = {https://doi.org/10.48550/arXiv.2404.07058},
}