A simple model was setup to find the mass variation over time for a Schwarzschild black hole. The temperature and entropy of a black hole was obtained from the numerically solved mass variation and the time variations of the black hole thermodynamic parameters were simulated. The mass of a given black hole reduces rapidly. The time taken for a black hole to vanish increases in an increasing rate with the given initial mass of the black hole. The temperature of a black hole drastically increases at the final stage of the black hole evaporation. The colour attributed to that temperature was found to be in the visible region for a significant amount of time. The black hole entropy also drastically reduces with its mass and through Hawking radiation it is added to the rest of the universe.

Periodical:

International Letters of Chemistry, Physics and Astronomy (Volume 48)

Pages:

123-137

Citation:

K. A. I. L. Wijewardena Gamalath and N.S. Rajapakse, "Thermodynamics of a Black Hole", International Letters of Chemistry, Physics and Astronomy, Vol. 48, pp. 123-137, 2015

Online since:

March 2015

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Open Access

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Creative Commons Attribution 4.0 International License

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