Stochastic background of gravitational waves "tuned" by $f(R)$ gravity
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The cosmological background of gravitational waves can be tuned by Extended Theories of Gravity. In particular, it can be shown that assuming a generic function $f(R)$ of the Ricci scalar $R$ gives a parametric approach to control the evolution and the production mechanism of gravitational waves in the early Universe.
5 pages, to appear in the Proceedings of the 3rd Stueckelberg Workshop, July 2008, Pescara - Italy
5 pages, to appear in the Proceedings of the 3rd Stueckelberg Workshop, July 2008, Pescara - Italy