Work

Scalar-tensor theory with EGB term from Einstein Chern-Simons gravity

Year: 2023

Type: article

Abstract: It is shown that the compactification á la Randall-Sundrum of the so-called, five-dimensional Einstein-Chern-Simons action gravity leads to an action for a four-dimensional scalar-tensor gravity that includes a Gauss-Bonnet term, which belongs to a particular case of the action of the Horndeski theory. The five-dimensional action includes new gravitational degrees of freedom that were introduced requiring that the action be invariant under symmetries greater than the usual Poincaré or (A)dS symmetries, namely the so-called generalized Poincare algebras B5.

Source: Nuclear Physics B

DOI: 10.1016/j.nuclphysb.2023.116291

Authors: L. Cárdenas, V.C. Orozco, P. Salgado, D. Salgado, R. Salgado

Institutions: University of Concepción, Arturo Prat University

Language: English

Topic: Cosmology and Gravitation Theories

Subfield: Astronomy and Astrophysics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: diamond

Funders: Universidad de Concepción, Agencia Nacional de Investigación y Desarrollo, Fondo Nacional de Desarrollo Científico y Tecnológico

Award: G5397864136