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Global Structure of Black Holes in String Theory with Gauss-Bonnet Correction in Various Dimensions

Global Structure of Black Holes in String Theory with Gauss-Bonnet Correction in Various Dimensions

We study global structures of black hole solutions in Einstein gravity with Gauss-Bonnet term coupled to dilaton in various dimensions. In particular we focus on the problem whether the singularity is weakened due to the Gauss-Bonnet term and dilaton. We find that there appears the non-central singularity between horizon and …