# Geometrical measures of non-Gaussianity generated from single field inflationary models

@article{Junaid2015GeometricalMO, title={Geometrical measures of non-Gaussianity generated from single field inflationary models}, author={Muhammad Junaid and Dmitry Pogosyan}, journal={Physical Review D}, year={2015}, volume={92}, pages={043505} }

We have calculated the third order moments of scalar curvature perturbations in configuration space for different inflationary models. We developed a robust numerical technique to compute the bispectrum for different models that have some features in the inflationary potential. From the bispectrum we evaluated moments analytically in the slow roll regime while we devised a numerical mechanism to calculated these moments for non slow roll single field inflationary models with standard kinetic…

## 3 Citations

### Inflationary study of non-Gaussianity using two-dimensional geometrical measures of CMB temperature maps

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- 2018

In this work we effectively calculated the two-dimensional Minkowski functionals for cosmic microwave background (CMB) temperature maps generated by single field models of inflation with a standard…

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In quantum field theory, the in and out states can be related to the full Hamiltonian by the iϵ prescription. A Wick rotation can further bring the correlation functions to Euclidean spacetime where…

### A Study on the Baryon Acoustic Oscillation with Topological Data Analysis

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- 2020

(abridged) The scale of the acoustic oscillation of baryons at the baryon-photon decoupling is imprinted on the spatial distribution of galaxies in the Universe, known as the baryon acoustic…

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