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Low scale inflation and the curvaton mechanism.

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Low scale inflation and the curvaton mechanism. / Dimopoulos, Konstantinos; Lyth, David H.; Rodriguez Garcia, Yeinzon.
In: Journal of High Energy Physics, Vol. 2005, No. 02, 11.03.2005, p. 055.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Dimopoulos, K, Lyth, DH & Rodriguez Garcia, Y 2005, 'Low scale inflation and the curvaton mechanism.', Journal of High Energy Physics, vol. 2005, no. 02, pp. 055. https://doi.org/10.1088/1126-6708/2005/02/055

APA

Dimopoulos, K., Lyth, D. H., & Rodriguez Garcia, Y. (2005). Low scale inflation and the curvaton mechanism. Journal of High Energy Physics, 2005(02), 055. https://doi.org/10.1088/1126-6708/2005/02/055

Vancouver

Dimopoulos K, Lyth DH, Rodriguez Garcia Y. Low scale inflation and the curvaton mechanism. Journal of High Energy Physics. 2005 Mar 11;2005(02):055. doi: 10.1088/1126-6708/2005/02/055

Author

Dimopoulos, Konstantinos ; Lyth, David H. ; Rodriguez Garcia, Yeinzon. / Low scale inflation and the curvaton mechanism. In: Journal of High Energy Physics. 2005 ; Vol. 2005, No. 02. pp. 055.

Bibtex

@article{a92ee00ad979443d867d1fd4a33bb14c,
title = "Low scale inflation and the curvaton mechanism.",
abstract = "The primordial curvature perturbation may be due to a `curvaton' field, which dominates (or almost dominates) the energy density before it decays. In the simplest version of the curvaton model the scale of inflation has to be quite high corresponding to a Hubble parameter H > 107 GeV. We here explore two modifications of the curvaton model which can instead allow inflation at a low scale. (i) The curvaton is a Pseudo Nambu-Goldstone Boson (PNGB), with a symmetry-breaking phase transition during inflation. (ii) The curvaton mass increases suddenly at some moment after the end of inflation but before the onset of the curvaton oscillations. Both proposals can work but not in a completely natural way. Also, the lower bound on the scale of inflation depends somewhat on the details of the framework used. Nevertheless, we show that inflation with H as low as 1 TeV or lower is possible to attain.",
keywords = "Cosmology of Theories beyond the SM, Thermal Field Theory",
author = "Konstantinos Dimopoulos and Lyth, {David H.} and {Rodriguez Garcia}, Yeinzon",
year = "2005",
month = mar,
day = "11",
doi = "10.1088/1126-6708/2005/02/055",
language = "English",
volume = "2005",
pages = "055",
journal = "Journal of High Energy Physics",
publisher = "Springer-Verlag",
number = "02",

}

RIS

TY - JOUR

T1 - Low scale inflation and the curvaton mechanism.

AU - Dimopoulos, Konstantinos

AU - Lyth, David H.

AU - Rodriguez Garcia, Yeinzon

PY - 2005/3/11

Y1 - 2005/3/11

N2 - The primordial curvature perturbation may be due to a `curvaton' field, which dominates (or almost dominates) the energy density before it decays. In the simplest version of the curvaton model the scale of inflation has to be quite high corresponding to a Hubble parameter H > 107 GeV. We here explore two modifications of the curvaton model which can instead allow inflation at a low scale. (i) The curvaton is a Pseudo Nambu-Goldstone Boson (PNGB), with a symmetry-breaking phase transition during inflation. (ii) The curvaton mass increases suddenly at some moment after the end of inflation but before the onset of the curvaton oscillations. Both proposals can work but not in a completely natural way. Also, the lower bound on the scale of inflation depends somewhat on the details of the framework used. Nevertheless, we show that inflation with H as low as 1 TeV or lower is possible to attain.

AB - The primordial curvature perturbation may be due to a `curvaton' field, which dominates (or almost dominates) the energy density before it decays. In the simplest version of the curvaton model the scale of inflation has to be quite high corresponding to a Hubble parameter H > 107 GeV. We here explore two modifications of the curvaton model which can instead allow inflation at a low scale. (i) The curvaton is a Pseudo Nambu-Goldstone Boson (PNGB), with a symmetry-breaking phase transition during inflation. (ii) The curvaton mass increases suddenly at some moment after the end of inflation but before the onset of the curvaton oscillations. Both proposals can work but not in a completely natural way. Also, the lower bound on the scale of inflation depends somewhat on the details of the framework used. Nevertheless, we show that inflation with H as low as 1 TeV or lower is possible to attain.

KW - Cosmology of Theories beyond the SM

KW - Thermal Field Theory

U2 - 10.1088/1126-6708/2005/02/055

DO - 10.1088/1126-6708/2005/02/055

M3 - Journal article

VL - 2005

SP - 055

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 02

ER -