Shocks in two-temperature advective accretion flow around black holes

I. K. Dihingia1*, S. Das1 and S. Mandal2
1Indian Institute of Technology Guwahati, Guwahati, India
2Indian Institute of Space Science and Technology, Thiruvananthapuram, India

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We study a two-temperature, viscous accretion flow around the Schwarzschild black hole. We obtain global transonic accretion solutions (GTAS) that include stationary shock waves considering various radiative cooling mechanisms, namely Bremsstrahlung, Synchrotron and Compton cooling processes, respectively. We observe that GTAS severely depends on the cooling efficiencies as the dynamics of the dissipative accreting matter is governed by the accretion rate (( , in Eddington unit).

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Keywords : accretion, accretion disc – black hole physics – shock waves