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PreprintarXiv licencearXiv

Black holes in alternative theories of gravity

  • Jose Luis Blázquez-Salcedo
  • Fech Scen Khoo
  • Burkhard Kleihaus
  • Jutta Kunz
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Abstract

Black holes, with their strong gravitational fields, provide an important testing ground for theories of gravity beyond General Relativity. Among the many proposed alternatives, considerable recent work has focused on scalar-tensor theories in which a scalar field couples to higher-curvature terms. The black hole solutions that arise in such theories can differ significantly from the Schwarzschild and Kerr solutions of General Relativity. Characteristic properties of these black holes include instabilities, shadows, and gravitational wave spectra, which can be used to constrain the couplings of the underlying theories.

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Cite

BibTeXRIS
BibTeX
@misc{blazquezsalcedo2026black,
  title = {{Black holes in alternative theories of gravity}},
  author = {Jose Luis Blázquez-Salcedo and Fech Scen Khoo and Burkhard Kleihaus and Jutta Kunz},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.03983},
  eprint = {2609.03983},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.03983},
}
RIS
TY  - UNPB
TI  - Black holes in alternative theories of gravity
AU  - Jose Luis Blázquez-Salcedo
AU  - Fech Scen Khoo
AU  - Burkhard Kleihaus
AU  - Jutta Kunz
PY  - 2026
DA  - 2026/09/03
PB  - arXiv
DO  - 10.48550/arxiv.2609.03983
UR  - https://arxiv.org/abs/2609.03983
AB  - Black holes, with their strong gravitational fields, provide an important testing ground for theories of gravity beyond General Relativity. Among the many proposed alternatives, considerable recent work has focused on scalar-tensor theories in which a scalar field couples to higher-curvature terms. The black hole solutions that arise in such theories can differ significantly from the Schwarzschild and Kerr solutions of General Relativity. Characteristic properties of these black holes include instabilities, shadows, and gravitational wave spectra, which can be used to constrain the couplings of the underlying theories.
ER  -