Basic thermodynamic parameters of a black hole resulting from a Yukawa type of correction to the metric

Details Basic thermodynamic parameters of a black hole resulting from a Yukawa type of correction to the metric Basic thermodynamic parameters of a black hole resulting from a Yukawa type of correction to the metric

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.337..693h&link_type=abstract

Astrophysics and Space Science, Volume 337, Issue 2, pp.693-702

Astronomy and Astrophysics

Astrophysics

Yukawa Potential, Yukawa Black Hole, Black Hole Temperature, Black Hole Entropy, Black Hole Heat Capacity, Black Hole Evaporation Time, Gravity Theories

Scientific paper

There has been a renewed interest in the recent years in the possibility of deviations from the predictions of Newton's "inverse-square law" of universal gravitation. One of the reasons for renewing this interest lies in various theoretical attempts to construct a unified elementary particle theory, in which there is a natural prediction of new forces over macroscopic distances. Therefore the existence of such a force would only coexist with gravity, and in principle could only be detected as a deviation from the inverse square law, or in the "universality of free fall" experiments. New experimental techniques such that of Sagnac interferometry can help explore the range of the Yukawa correction λ≥1014 m where such forces might be present. It may be, that future space missions might be operating in this range which has been unexplored for very long time. In this paper we derive the basic thermodynamic parameters of such a Yukawa stationary spherically symmetric black hole. First, the expression for the event horizon of such a black hole is derived, with the help of which the temperature, entropy and heat capacity of this particular black hole are obtained. We have also obtained analytical expressions for the change of mass of such black hole, and also its corresponding evaporation time.

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