https://doi.org/10.1140/epjp/s13360-025-06435-5
Regular Article
Spherical orbits around a Kerr black hole surrounded by quintessence
Faculty of Physics, “Alexandru Ioan Cuza” University of Iasi, Bd. Carol I, No. 11, 700506, Iasi, Romania
a
vitalie.lungu@student.uaic.ro
Received:
21
January
2025
Accepted:
13
May
2025
Published online:
3
June
2025
The geometry of the quintessential rotating black hole and the structure of the horizons are briefly discussed. The analysis of spherical orbits is the main target of investigations. The geodesic equations are worked out using a combined numerical–analytical approach. The obtained results are compared to those for the Kerr black hole, pointing out the effect of the quintessential matter. For a non-rotating black hole, we recover the results obtained for the Kiselev geometry sourced by an anisotropic fluid with the equation of state parameter 
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© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2025
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
