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Publication Detailed Description
Journal Title
Physics Letters B
Year (definitive publication)
2021
Language
English
Country
Netherlands
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Abstract
We compute the quasinormal frequencies of d-dimensional spherically symmetric black holes with leading string corrections in the eikonal limit for tensorial gravitational perturbations and scalar test fields. We find that, differently than in Einstein gravity, the real parts of the frequency are no longer equal for these two cases. The corresponding imaginary parts remain equal to the principal Lyapunov exponent corresponding to circular null geodesics, to first order in . We also compute the radius of the shadow cast by these black holes.
Acknowledgements
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Keywords
Fields of Science and Technology Classification
- Physical Sciences - Natural Sciences
Funding Records
| Funding Reference | Funding Entity |
|---|---|
| UIDB/50008/2020 | Fundação para a Ciência e a Tecnologia |
| CERN/FIS-PAR/0023/2019 | Fundação para a Ciência e a Tecnologia |
| UIDP/50008/2020 | Fundação para a Ciência e a Tecnologia |
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