https://www.ianhuston.net/tag/non-gaussianity/ Recent content in non-gaussianity on IanHuston.net Hugo -- gohugo.io en-us Tue, 03 Apr 2012 15:05:19 +0100 https://www.ianhuston.net/2012/04/trispectrum-during-inflation/ Tue, 03 Apr 2012 15:05:19 +0100 https://www.ianhuston.net/2012/04/trispectrum-during-inflation/ After a lot of work, “Large trispectrum in two-field slow-roll inflation” was released on the arXiv yesterday as arXiv:1203.6844. In this article Joe Elliston, Laila Alabidi, David Mulryne, Reza Tavakol and I look at the generation of higher order statistics during inflation in the early universe. In the early universe the curvature perturbations, which later are seen as temperature fluctuations in the Cosmic Microwave Background (CMB), are initially thought to be Gaussian, but can become skewed during inflation depending on the physics of their evolution.