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    Energetics and optical properties of 6-dimensional rotating black hole in pure Gauss-Bonnet gravity

    Zdeněk Stuchlík · Srpen 01, 2015 · Fyzika · 0 comments
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    Publication date: Aug 2015

    Abstract:
    We study physical processes around a rotating black hole in pure Gauss-
    Bonnet (GB) gravity. In pure GB gravity, the gravitational potential has
    a slower fall-off as compared to the corresponding Einstein potential in
    the same dimension. It is therefore expected that the energetics of a
    pure GB black hole would be weaker, and our analysis bears out that the
    efficiency of energy extraction by the Penroseprocess is increased to
    25.8 % and the particle acceleration is increased to 55.28 %; the
    optical shadow of the black hole is decreased. These are in principle
    distinguishing observable features of a pure GB black hole.

    Authors:
    Abdujabbarov, Ahmadjon; Atamurotov, Farruh; Dadhich, Naresh; Ahmedov, Bobomurat; Stuchlík, Zdeněk;

    https://ui.adsabs.harvard.edu/abs/2015EPJC…75..399A

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