A charged black hole in Einstein-cubic gravity, built from first-law consistency and a continued fraction metric, amplifies charged scalar waves below the standard Reissner-Nordstrom superradiance threshold, with stronger amplification for larger charge and larger cubic coupling.
Black Holes in Higher Curvature Gravity
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A review of recent investigations of black holes in higher curvature theories of gravity.
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Superradiance of Charged Static Black Hole in Cubic Gravity
A charged black hole in Einstein-cubic gravity, built from first-law consistency and a continued fraction metric, amplifies charged scalar waves below the standard Reissner-Nordstrom superradiance threshold, with stronger amplification for larger charge and larger cubic coupling.