Speaker
Prof.
Emmanuel Saridakis
(National Observatory of Athens)
Description
We report how to alleviate both the H0 and sigma8 tensions simultaneously within
torsional gravity from the perspective of effective field theory. Following these observations, we construct concrete models of Lagrangians of torsional gravity. Specifically, we consider a novel f(T) parametrization where two out of the three parameters are independent. This modified gravity model can efficiently fit observations alleviating the two tensions simultaneously, hence offering an additional argument in favor of gravitational modification.
Primary author
Prof.
Emmanuel Saridakis
(National Observatory of Athens)
