Note on the asymptotic structure of Kerr-Schild form by Pujian Mao, Weicheng Zhao

“…Abstract The Kerr-Schild form provides a natural way of realizing the classical double copy that relates exact solutions in general relativity to exact solutions in gauge theory. …”
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Kerr-Schild double field theory and classical double copy by Kanghoon Lee

“…Abstract The Kerr-Schild (KS) formalism is a powerful tool for constructing exact solutions in general relativity. In this paper, we present a generalization of the conventional KS formalism to double field theory (DFT) and supergravities. …”
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An axially symmetric spacetime with causality violation in Ricci-inverse gravity by J. C. R. de Souza, A. F. Santos

“…Other spacetimes, such as Gödel and Gödel-type universes, which are exact solutions of general relativity and allow for causality violations, are also explored in Ricci-inverse gravity framework.…”
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The Kerr-Schild double copy in Lifshitz spacetime by Gökhan Alkaç, Mehmet Kemal Gümüş, Mustafa Tek

“…Abstract The Kerr-Schild double copy is a map between exact solutions of general relativity and Maxwell’s theory, where the nonlinear nature of general relativity is circumvented by considering solutions in the Kerr-Schild form. …”
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