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Noether symmetries in Gauss–Bonnet-teleparallel cosmology

A generalized teleparallel cosmological model, [Formula: see text] , containing the torsion scalar T and the teleparallel counterpart of the Gauss–Bonnet topological invariant [Formula: see text] , is studied in the framework of the Noether symmetry approach. As [Formula: see text] gravity, where [F...

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Detalles Bibliográficos
Autores principales: Capozziello, Salvatore, De Laurentis, Mariafelicia, Dialektopoulos, Konstantinos F.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5116048/
https://www.ncbi.nlm.nih.gov/pubmed/27917070
http://dx.doi.org/10.1140/epjc/s10052-016-4491-0
Descripción
Sumario:A generalized teleparallel cosmological model, [Formula: see text] , containing the torsion scalar T and the teleparallel counterpart of the Gauss–Bonnet topological invariant [Formula: see text] , is studied in the framework of the Noether symmetry approach. As [Formula: see text] gravity, where [Formula: see text] is the Gauss–Bonnet topological invariant and R is the Ricci curvature scalar, exhausts all the curvature information that one can construct from the Riemann tensor, in the same way, [Formula: see text] contains all the possible information directly related to the torsion tensor. In this paper, we discuss how the Noether symmetry approach allows one to fix the form of the function [Formula: see text] and to derive exact cosmological solutions.