Accretion processes for general spherically symmetric compact objects

We investigate the accretion process for different
\nspherically symmetric space-time geometries for a static
\nfluid. We analyze this procedure using the most general black
\nhole metric ansatz. After that, we examine the accretion process
\nfor specific spherically symmetric metrics obtaining the
\nvelocity of the sound during the process and the critical speed
\nof the flow of the fluid around the black hole. In addition, we
\nstudy the behavior of the rate of change of the mass for each
\nchosen metric for a barotropic fluid.

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