Abstract
We consider the effects of Gravity’s Rainbow on the computation of black hole entropy using a dynamical brick wall model. An explicit dependence of the radial coordinate approaching the horizon is proposed to analyze the behavior of the divergence. We find that, due to the modification of the density of states, the brick wall can be eliminated. The calculation is extended to include rotations and in particular to a Kerr black hole in a comoving frame.
Highlights
In recent years many attempts to modify gravity at the fundamental level have been proposed.Some of them, like f (R) theories[1], have been considered to basically change the large scale structure of the space-time and some others have been conceived to modify the short scale behavior
An explicit dependence of the radial coordinate approaching the horizon is proposed to analyze the behavior of the divergence
Due to the modification of the density of states, the brick wall can be eliminated
Summary
In recent years many attempts to modify gravity at the fundamental level have been proposed.Some of them, like f (R) theories[1], have been considered to basically change the large scale structure of the space-time and some others have been conceived to modify the short scale behavior. We consider the effects of Gravity’s Rainbow on the computation of black hole entropy using a dynamical brick wall model. The calculation is extended to include rotations and in particular to a Kerr black hole in a comoving frame.
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