Abstract
In the present research work, we have proposed a model for the change in the internal energy and enthalpy of the spinning black holes using first law of black holes in the case of spin parameter a*=0.9 and calculated their values in XRBs and AGN.
Highlights
We have proposed a model for the change in the internal energy and enthalpy of the spinning black holes using first law of black holes for the case of spin parameter a∗ = 0.9 and calculated their values in XRBs and AGN
We have derived an expression for the change in the internal energy and enthalpy of the spinning black holes taking an account the first law of black hole mechanics for the case of spin parameter a∗ = 0.9 and calculated their values in XRBs and AGN and plotted the graphs as per Figure 1 & Figure 2
( ) For the angular spin a∗ = 0.9, we have obtained the change in internal energy and enthalpy of spinning black holes for different values of mass and event horizon as: d= H dRbh d= U dRbh
Summary
The black hole created after the death of red giant star is the perfect http://creativecommons.org/licenses/by/4.0/. In quantum theory, black holes emit Hawking radiation with a perfect thermal spectrum [1] [2] [3]. This work is extended in the case of spin parameter a∗ = 1 2 with the calculations for the change in the internal energy and enthalpy of the different test of spinning black holes in XRBs [6]. We have proposed a model for the change in the internal energy and enthalpy of the spinning black holes using first law of black holes for the case of spin parameter a∗ = 0.9 and calculated their values in XRBs and AGN
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