TY - JOUR
AU - Ferricha-Alami, M.
AU - Jdair, O.
AU - Chakir, H.
AU - Bennai, M.
PY - 2018
TI - Logarithmic Potential Braneworld in Light of the Recent Experiment Observation
JF - Revista Cubana de Física; Vol 35 No 2 (2018)
KW -
N2 - In the loop inflation standard case, the spectral index n s depends only on the e-folds number N, and it is larger than the value given by observational measurements, the ratio of tensor to scalar perturbations r is very small so that the gravitational waves are negligible. Therefore, we reconsider this model in the framework of the Randall-Sundrum II braneworld scenario. In this context, we have computed and discussed the perturbation of the scalar curvature and determined the energy scale V 0 ; and the brane tension value λ. We showed that the various inflationary spectrum perturbation parameters (n s , r and dn s /d(ln k) ) depend on N and on the coupling constant α, and we reproduce the central value of the first parameter n s ∼ 0.96. Also, the ratio r and the running dn s /d(ln k) are in perfect agreement with the experimental observations (Planck 2015).
UR - http://www.revistacubanadefisica.org/index.php/rcf/article/view?path=