Quasi Periodic Oscillations of Test Particles and Red-Blue Shifts of the Photons Emitted By the Charged Test Particles Orbiting the Charged Black Hole in the Presence of Quintessence and Clouds of Strings

2021/08/16 by G. Mustafa, Ibrar Hussain, Mustafa, G. +3
Medicine · Physics and Astronomy · #Biofield Effects and Biophysics #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Relativity and Gravitational Theory

paper · pdf · doi:10.48550/arxiv.2108.07801

openalex publication_date 2021/08/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Here we examine the circular motion of test particles and photons in the spacetime geometry of charged black hole surrounded by quintessence and clouds of strings for the equation of state parameter ω_q=-2/3. We observe that there exist stable circular orbits in this geometry for very small values of the quintessence and string cloud parameters, i.e., 0

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