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Geodesic motion around the rotating Kiselev black hole

Grant number: 23/18117-3
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2024
Effective date (End): April 30, 2025
Field of knowledge:Physical Sciences and Mathematics - Physics - General Physics
Principal Investigator:Bertha María Cuadros Melgar
Grantee:Diogo Gripa Rodrigues
Host Institution: Escola de Engenharia de Lorena (EEL). Universidade de São Paulo (USP). Lorena , SP, Brazil


After the first direct observation of a black hole binary system collapsing to form a sole object through gravitational waves, black hole physics has attracted more attention and assumed a leading role in research. Rotating solutions or external fluids appear as a good alternative to model astronomical black holes existing in our observable universe. One of these solutions is the rotating Kiselev metric, which recovers the classical solutions as well as generates new solutions characterized by two parameters that describe different anisotropic fluids around the black hole.In this research plan we aim to study geodesic trajectories around these black holes, relaxing the equatorial orbit condition and using finite differences method to numerically solve the geodesic equations set up in a Python program.

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