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Modified gravity contribution to the dark cosmological sector and inflation

Grant number: 08/08652-9
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): February 01, 2009
Effective date (End): September 30, 2010
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Patricio Anibal Letelier Sotomayor
Grantee:Davi Cabral Rodrigues
Home Institution: Instituto de Matemática, Estatística e Computação Científica (IMECC). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:05/57105-2 - Formation and analysis of self-gravitating structures: numerical, astrophysical, and cosmological problems, AP.TEM

Abstract

We are in a period where cosmology is quickly developing, both observationally and theoretically, and increasingly attracting other areas attention. Our purpose is to analyze the viability of modified gravity models as a solution to the cosmological problems; focusing on metric-affine gravity (MAG) and multi-gravity models. Besides their intrinsic value, they appear as effective models of other theories, including higher dimensional gravity (brane-worlds), massive spin 2 particles theories and theories with non-commutative geometry.