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Cosmological evolution of brane models in six dimensions

Grant number: 04/10037-0
Support Opportunities:Scholarships abroad - Research
Effective date (Start): December 01, 2004
Effective date (End): January 31, 2005
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Bertha María Cuadros Melgar
Grantee:Bertha María Cuadros Melgar
Host Investigator: Eleftherios Papantonopoulos
Host Institution: Pessoa Física
Research place: National Technical University of Athens (NTUA), Greece  


In the last years the string inspired brane-world models have been widely studied due to their success in describing our (3+1)-dimensional universe and suggesting a solution to the hierarchy, horizon, flatness and cosmological constant problems. Our aim in this research project is to consider generalizations of the Randall-Sundrum model in more than five dimensions. Specifically, in six-dimensional models we are looking for 1) localization of gravity on a 4-brane, 2) a mechanism for keeping the extra dimensions small, 3) inflationary phases which could explain the past and present experimental data, and 4) comparison with the cosmology of codimension-2 brane-worlds. (AU)

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