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Speaker |
Slany, Petr |
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Co-autors |
Z. Stuchlik, J. Kovar |
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Talk Title |
Pseudo-Newtonian modelling of adiabatic tori in Schwarzschild–de Sitter spacetimes |
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Abstract |
Pseudo-Newtonian gravitational potential for spherically symmetric black-hole spacetimes with a repulsive cosmological constant is applied to equilibrium toroidal configurations of barotropic perfect fluid orbiting black holes. Shapes and potential depths are determined for the marginally stable barotropic tori with uniform distribution of the specific angular momentum. For the adiabatic (isoentropic) perfect fluid, temperature profiles, mass-density and pressure profiles are presented and total masses are calculated. All results are compared with exact general relativistic ones. |
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