K-Essence Sources of Kerr–Schild Spacetimes

We extend a result by one of the authors, established for nonvacuum Einstein gravity, to minimally coupled k-essence scalar–tensor theories. First, we prove that in order to source a Kerr–Schild-type spacetime, the k-essence Lagrangian should be at most quadratic in the kinetic term. This is reduced...

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Bibliographic Details
Main Authors: Bence Juhász, László Árpád Gergely
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Universe
Subjects:
Online Access:https://www.mdpi.com/2218-1997/11/3/100
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