Regular Black Holes in Nonlocal Quasitopological Gravity
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Regular Black Holes in Nonlocal Quasitopological Gravity
Pablo Bueno, Pablo A. Cano, Robie A. Hennigar, Ángel J. Murcia
AbstractWe present infinite-derivative completions of Quasitopological gravities that are ghost-free, avoid strong coupling instabilities and admit exact, spherically symmetric vacuum regular-black-hole solutions satisfying a perturbative Birkhoff theorem.