Viscous accretion disc around black holes with variable adiabatic index

Indranil Chattopadhyay1*and Rajiv Kumar1,2
1ARIES, Manora Peak, Nainital 263002, Uttarakhand, India
2School of Studies in Physics & Astrophysics, Pt. Ravishankar Shukla University, Raipur - 492010, India

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Abstract

We study the viscous advective accretion disc around nonrotating black holes with variable adiabatic index. In this study we have developed all possible global accretion solutions e.g. Bondi type, smooth and shocked solutions with and with out viscosity with multispecies fluids and as well as standing shockparameter space with and without viscosity for different composition parameter.

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Keywords : black hole physics – accretion, accretion discs – hydrodynamics