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Higher order contributions to the primordial non-Gaussianity

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Higher order contributions to the primordial non-Gaussianity. / Zaballa, I.; Rodriguez, Y.; Lyth, D. H.

In: Journal of Cosmology and Astroparticle Physics, 2006.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Zaballa, I, Rodriguez, Y & Lyth, DH 2006, 'Higher order contributions to the primordial non-Gaussianity', Journal of Cosmology and Astroparticle Physics. https://doi.org/10.1088/1475-7516/2006/06/013

APA

Zaballa, I., Rodriguez, Y., & Lyth, D. H. (2006). Higher order contributions to the primordial non-Gaussianity. Journal of Cosmology and Astroparticle Physics. https://doi.org/10.1088/1475-7516/2006/06/013

Vancouver

Zaballa I, Rodriguez Y, Lyth DH. Higher order contributions to the primordial non-Gaussianity. Journal of Cosmology and Astroparticle Physics. 2006. doi: 10.1088/1475-7516/2006/06/013

Author

Zaballa, I. ; Rodriguez, Y. ; Lyth, D. H. / Higher order contributions to the primordial non-Gaussianity. In: Journal of Cosmology and Astroparticle Physics. 2006.

Bibtex

@article{b0a3546ef0cd4f818197a2f03544528a,
title = "Higher order contributions to the primordial non-Gaussianity",
abstract = "In this paper we calculate additional contributions to the part of the non-Gaussianity of the primordial curvature perturbation ζ that comes from the three-point correlator of the field perturbations. We estimate this contribution using the following models for the origin of ζ: single-component inflation, multicomponent chaotic inflation, a two-component 'hybrid' inflationary model and the curvaton scenario. In all of these models, the additional contributions to the primordial non-Gaussianity considered here are too small to ever be detected.",
keywords = "cosmological perturbation theory, inflation, physics of the early universe",
author = "I. Zaballa and Y. Rodriguez and Lyth, {D. H.}",
year = "2006",
doi = "10.1088/1475-7516/2006/06/013",
language = "English",
journal = "Journal of Cosmology and Astroparticle Physics",
issn = "1475-7516",
publisher = "IOP Publishing",

}

RIS

TY - JOUR

T1 - Higher order contributions to the primordial non-Gaussianity

AU - Zaballa, I.

AU - Rodriguez, Y.

AU - Lyth, D. H.

PY - 2006

Y1 - 2006

N2 - In this paper we calculate additional contributions to the part of the non-Gaussianity of the primordial curvature perturbation ζ that comes from the three-point correlator of the field perturbations. We estimate this contribution using the following models for the origin of ζ: single-component inflation, multicomponent chaotic inflation, a two-component 'hybrid' inflationary model and the curvaton scenario. In all of these models, the additional contributions to the primordial non-Gaussianity considered here are too small to ever be detected.

AB - In this paper we calculate additional contributions to the part of the non-Gaussianity of the primordial curvature perturbation ζ that comes from the three-point correlator of the field perturbations. We estimate this contribution using the following models for the origin of ζ: single-component inflation, multicomponent chaotic inflation, a two-component 'hybrid' inflationary model and the curvaton scenario. In all of these models, the additional contributions to the primordial non-Gaussianity considered here are too small to ever be detected.

KW - cosmological perturbation theory

KW - inflation

KW - physics of the early universe

U2 - 10.1088/1475-7516/2006/06/013

DO - 10.1088/1475-7516/2006/06/013

M3 - Journal article

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

SN - 1475-7516

ER -