Realization of blue spectrum in generalized Galileon super-inflation models

Autor:	Nozari, K., Shafizadeh, S.
Rok vydání:	2017
Předmět:	General Relativity and Quantum Cosmology Astrophysics - Cosmology and Nongalactic Astrophysics
Zdroj:	Int. J. Mod. Phys. D Vol. 26, No. 3 (2017) 1750016
Druh dokumentu:	Working Paper
DOI:	10.1142/S021827181750016X
Popis:	In the spirit of Galileon inflation and by considering some sorts of non-canonical kinetic terms in the action, we realize a stage of super-inflation leading to a blue-tilted tensor perturbation. We show also that addition of Galileon-like term to the action leads to avoidance of ghost instabilities in this setup. Comment: 15 pages, 6 figures, revised version
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1712.09530 Zobrazit plný text záznamu View this record from Arxiv