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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;

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

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