Accretion onto a charged Kiselev black hole
G. AbbasDepartment of Mathematics, The Islamia University of Bahawalpur, Bahawalpur 63100, PakistanAllah DittaDepartment of Mathematics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
2018en
ABI
Abstract
Accretion of matter onto a compact is one of the interesting astrophysical processes. Here, we study the accretion of matter onto a charged Kiselev black hole. The problem of static and spherically symmetric accretion of a polytropic fluid is explored for the analytic solution of equations of motion. We have investigated the necessary conditions for existence of the critical flow points and the mass accretion rate. Finally, we discuss the polytropic gas accretion in detail. It has been found that in the accretion process the quintessence and charge parameters play a dominant role.
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