The spooky ghost of vectorization

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F24%3A00617894" target="_blank" >RIV/68378271:_____/24:00617894 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.dark.2024.101427" target="_blank" >https://doi.org/10.1016/j.dark.2024.101427</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.dark.2024.101427" target="_blank" >10.1016/j.dark.2024.101427</a>

Result language
angličtina
Original language name
The spooky ghost of vectorization
Original language description
An interesting mechanism for the formation of hairy black holes occurs when a vector field, non-minimally coupled to a source term, grows from a perturbation of the vacuum black hole, aka vectorization. Its study has, however, been lacking, in part due to the constant threat of ghost instabilities that have plagued vector fields. In this work, we show evidence that, in a generic family of extended-vector-tensor theories where the vector field is non-minimally coupled to the model’s invariant (source term), a spherically symmetric vectorized black hole always suffers from ghost instabilities. These ultimately turn the process of vectorization astrophysically unviable.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)

Project
<a href="/en/project/GM21-16583M" target="_blank" >GM21-16583M: New avenues in the hunt for dark energy</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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