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PreprintarXiv licencearXiv

Quasinormal modes of a quantum inspired black hole in four dimensions with cosmological constant

  • R. D. B. Fontana
  • Jeferson de Oliveira
  • B. Eslam Panah
  • Ángel Rincón
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Abstract

We study the scalar and Dirac perturbations of quantum-corrected black holes with cosmological constant. Using two different methods (WKB and double-null characteristic integration) we compute the quasinormal modes (QNMs) of de Sitter and Anti-de Sitter solutions considering linear field perturbations in the background geometry. In the limit of general relativity black holes our methods demonstrate good convergence with the available results in literature. In the presence of an extra quantum parameter we verify that all perturbations are stable evolving in towers of quasinormal oscillations. We scrutinize the spectra of both dS and AdS solutions studying the influence of that extra parameter in the frequencies.

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Cite

BibTeXRIS
BibTeX
@misc{fontana2026quasinormal,
  title = {{Quasinormal modes of a quantum inspired black hole in four dimensions with cosmological constant}},
  author = {R. D. B. Fontana and Jeferson de Oliveira and B. Eslam Panah and Ángel Rincón},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2607.22967},
  eprint = {2607.22967},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.22967},
}
RIS
TY  - UNPB
TI  - Quasinormal modes of a quantum inspired black hole in four dimensions with cosmological constant
AU  - R. D. B. Fontana
AU  - Jeferson de Oliveira
AU  - B. Eslam Panah
AU  - Ángel Rincón
PY  - 2026
DA  - 2026/09/02
PB  - arXiv
DO  - 10.48550/arxiv.2607.22967
UR  - https://arxiv.org/abs/2607.22967
AB  - We study the scalar and Dirac perturbations of quantum-corrected black holes with cosmological constant. Using two different methods (WKB and double-null characteristic integration) we compute the quasinormal modes (QNMs) of de Sitter and Anti-de Sitter solutions considering linear field perturbations in the background geometry. In the limit of general relativity black holes our methods demonstrate good convergence with the available results in literature. In the presence of an extra quantum parameter we verify that all perturbations are stable evolving in towers of quasinormal oscillations. We scrutinize the spectra of both dS and AdS solutions studying the influence of that extra parameter in the frequencies.
ER  -