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Non-Gaussianity from instant and tachyonic preheating

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Non-Gaussianity from instant and tachyonic preheating. / Enqvist, Kari; Jokinen, Asko; Mazumdar, Anupam et al.
In: Journal of Cosmology and Astroparticle Physics, Vol. 2005, No. 3, 31.03.2005.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Enqvist, K, Jokinen, A, Mazumdar, A, Multamaki, T & Vaihkonen, A 2005, 'Non-Gaussianity from instant and tachyonic preheating', Journal of Cosmology and Astroparticle Physics, vol. 2005, no. 3. https://doi.org/10.1088/1475-7516/2005/03/010

APA

Enqvist, K., Jokinen, A., Mazumdar, A., Multamaki, T., & Vaihkonen, A. (2005). Non-Gaussianity from instant and tachyonic preheating. Journal of Cosmology and Astroparticle Physics, 2005(3). https://doi.org/10.1088/1475-7516/2005/03/010

Vancouver

Enqvist K, Jokinen A, Mazumdar A, Multamaki T, Vaihkonen A. Non-Gaussianity from instant and tachyonic preheating. Journal of Cosmology and Astroparticle Physics. 2005 Mar 31;2005(3). doi: 10.1088/1475-7516/2005/03/010

Author

Enqvist, Kari ; Jokinen, Asko ; Mazumdar, Anupam et al. / Non-Gaussianity from instant and tachyonic preheating. In: Journal of Cosmology and Astroparticle Physics. 2005 ; Vol. 2005, No. 3.

Bibtex

@article{6ce6c547f4e6484cae874b987960093c,
title = "Non-Gaussianity from instant and tachyonic preheating",
abstract = "We study non-Gaussianity in two distinct models of preheating: instant and tachyonic. In instant preheating non-Gaussianity is sourced by the local terms generated through the coupled perturbations of the two scalar fields. We find that the non-Gaussianity parameter is given by $f_{NL}^{\phi}\sim 2g",
keywords = "cosmological perturbation theory , physics of the early universe",
author = "Kari Enqvist and Asko Jokinen and Anupam Mazumdar and Tuomas Multamaki and Antti Vaihkonen",
note = "12 pages, 1 figure, additional discussion, improved constraint on the scale of tachyonic preheating",
year = "2005",
month = mar,
day = "31",
doi = "10.1088/1475-7516/2005/03/010",
language = "English",
volume = "2005",
journal = "Journal of Cosmology and Astroparticle Physics",
issn = "1475-7516",
publisher = "IOP Publishing",
number = "3",

}

RIS

TY - JOUR

T1 - Non-Gaussianity from instant and tachyonic preheating

AU - Enqvist, Kari

AU - Jokinen, Asko

AU - Mazumdar, Anupam

AU - Multamaki, Tuomas

AU - Vaihkonen, Antti

N1 - 12 pages, 1 figure, additional discussion, improved constraint on the scale of tachyonic preheating

PY - 2005/3/31

Y1 - 2005/3/31

N2 - We study non-Gaussianity in two distinct models of preheating: instant and tachyonic. In instant preheating non-Gaussianity is sourced by the local terms generated through the coupled perturbations of the two scalar fields. We find that the non-Gaussianity parameter is given by $f_{NL}^{\phi}\sim 2g

AB - We study non-Gaussianity in two distinct models of preheating: instant and tachyonic. In instant preheating non-Gaussianity is sourced by the local terms generated through the coupled perturbations of the two scalar fields. We find that the non-Gaussianity parameter is given by $f_{NL}^{\phi}\sim 2g

KW - cosmological perturbation theory

KW - physics of the early universe

U2 - 10.1088/1475-7516/2005/03/010

DO - 10.1088/1475-7516/2005/03/010

M3 - Journal article

VL - 2005

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

SN - 1475-7516

IS - 3

ER -