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gr-qc2021★ 25 cited
Disformal Transition of a Black Hole to a Wormhole in Scalar-Tensor Horndeski Theory
Nikos Chatzifotis, Eleftherios Papantonopoulos, Christoforos Vlachos
We consider disformal transformations in a subclass of Horndeski theory in which a scalar field is kinetically coupled to the Einstein tensor. We apply a disformal transformation o…
gr-qc2021★ 24 cited
Stability of black holes with non-minimally coupled scalar hair to the Einstein tensor
Nikos Chatzifotis, Christoforos Vlachos, Kyriakos Destounis +1
General relativity admits a plethora of exact compact object solutions. The augmentation of Einstein's action with non-minimal coupling terms leads to modified theories with rich s…