Implications of Planck results for models with local type non-Gaussianity
Cosmology and Nongalactic Astrophysics
2015-06-15 v3 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
We discuss implications of Planck results for models with local type non-Gaussianity. In light of the recent results of the Planck satellite, we constrain model parameters of several representative models and give the prediction of trispectrum, in particular, gNL. We also consider interesting possibilities that trispectrum appears as the first signature of the non-Gaussianities of the curvature perturbations, that is, fNL is small while gNL can be significantly large.
Keywords
Cite
@article{arxiv.1303.5374,
title = {Implications of Planck results for models with local type non-Gaussianity},
author = {Teruaki Suyama and Tomo Takahashi and Masahide Yamaguchi and Shuichiro Yokoyama},
journal= {arXiv preprint arXiv:1303.5374},
year = {2015}
}
Comments
19 pages, matches published version in JCAP