paper

Geometric formulation of generalized root- deformations

arXiv:2405.03465 · doi:10.1103/PhysRevLett.133.111602

Abstract

We develop a generic geometric formalism that incorporates both -like and root--like deformations in arbitrary dimensions. This framework applies to a wide family of stress-energy tensor perturbations and encompasses various well-known field theories. Building upon the recently proposed correspondence between Ricci-based gravity and -like deformations, we further extend this duality to include root--like perturbations. This refinement extends the potential applications of our approach and contributes to a deeper exploration of the interplay between stress tensor perturbations and gravitational dynamics. Among the various original outcomes detailed in this article, we have also obtained a deformation of the flat Jackiw-Teitelboim gravity action.

11 pages, no figures; v2: references added

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