Abstract
This paper studies the orbital dynamics of timelike and lightlike particles in a static spherically symmetric black hole spacetime in the presence of quintessence. More precisely, using the effective potential to analyze the particle orbits between the black hole horizon and the cosmological horizon, it is found that there are attracting orbits, escape orbits, bound orbits, and stable and unstable circular orbits. The effects of angular momentum and normalization factors on the effective potential and the structure of timelike and null geodesics are also analyzed. In addition, the horizontal properties of various parameters are discussed, with the case of ωq=−2/3 being the most interesting.
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