Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism

Abstract I investigate the higher dimensional black holes of quartic quasitopological-scalar gravity within the scope of extended quasitopological electromagnetism. It is demonstrated that only positive values of the quartic quasitopological parameter can result in physically acceptable solutions. I...

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Main Author: Askar Ali
Format: Article
Language:English
Published: SpringerOpen 2025-07-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-025-14486-2
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author Askar Ali
author_facet Askar Ali
author_sort Askar Ali
collection DOAJ
description Abstract I investigate the higher dimensional black holes of quartic quasitopological-scalar gravity within the scope of extended quasitopological electromagnetism. It is demonstrated that only positive values of the quartic quasitopological parameter can result in physically acceptable solutions. In accordance with the values of the mass, conformal coupling constants, and quasitopological electromagnetic charges, the derived solution characterizes the dyonic hairy black holes with a single horizon, two horizons, and naked singularity. I also demonstrate that this solution has an essential curvature singularity at the centre $$r=0.$$ r = 0 . Additionally, the thermodynamic and conserved quantities for the resultant solution are worked out and the extended first law satisfied by these quantities is established. Ultimately, I address the consequences of a scalar field and electromagnetic charges on the local thermodynamic stability of dyonic hairy black holes.
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institution Kabale University
issn 1434-6052
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series European Physical Journal C: Particles and Fields
spelling doaj-art-73dcdfcf54264ef496079b92e4ab96652025-08-20T04:02:56ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522025-07-0185711710.1140/epjc/s10052-025-14486-2Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetismAskar Ali0Department of Sciences and Humanities, National University of Computer and Emerging SciencesAbstract I investigate the higher dimensional black holes of quartic quasitopological-scalar gravity within the scope of extended quasitopological electromagnetism. It is demonstrated that only positive values of the quartic quasitopological parameter can result in physically acceptable solutions. In accordance with the values of the mass, conformal coupling constants, and quasitopological electromagnetic charges, the derived solution characterizes the dyonic hairy black holes with a single horizon, two horizons, and naked singularity. I also demonstrate that this solution has an essential curvature singularity at the centre $$r=0.$$ r = 0 . Additionally, the thermodynamic and conserved quantities for the resultant solution are worked out and the extended first law satisfied by these quantities is established. Ultimately, I address the consequences of a scalar field and electromagnetic charges on the local thermodynamic stability of dyonic hairy black holes.https://doi.org/10.1140/epjc/s10052-025-14486-2
spellingShingle Askar Ali
Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism
European Physical Journal C: Particles and Fields
title Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism
title_full Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism
title_fullStr Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism
title_full_unstemmed Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism
title_short Black holes of quartic quasitopological gravity, conformal scalar field and extended quasitopological electromagnetism
title_sort black holes of quartic quasitopological gravity conformal scalar field and extended quasitopological electromagnetism
url https://doi.org/10.1140/epjc/s10052-025-14486-2
work_keys_str_mv AT askarali blackholesofquarticquasitopologicalgravityconformalscalarfieldandextendedquasitopologicalelectromagnetism