Home > Research > Publications & Outputs > Cold dark matter isocurvature perturbation in t...
View graph of relations

Cold dark matter isocurvature perturbation in the curvaton scenario.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Cold dark matter isocurvature perturbation in the curvaton scenario. / Lyth, David H.; Wands, David.
In: Physical Review D – Particles and Fields, Vol. 68, No. 10, 2003, p. 103516 / 11 pages.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Lyth, DH & Wands, D 2003, 'Cold dark matter isocurvature perturbation in the curvaton scenario.', Physical Review D – Particles and Fields, vol. 68, no. 10, pp. 103516 / 11 pages. https://doi.org/10.1103/PhysRevD.68.103516

APA

Lyth, D. H., & Wands, D. (2003). Cold dark matter isocurvature perturbation in the curvaton scenario. Physical Review D – Particles and Fields, 68(10), 103516 / 11 pages. https://doi.org/10.1103/PhysRevD.68.103516

Vancouver

Lyth DH, Wands D. Cold dark matter isocurvature perturbation in the curvaton scenario. Physical Review D – Particles and Fields. 2003;68(10):103516 / 11 pages. doi: 10.1103/PhysRevD.68.103516

Author

Lyth, David H. ; Wands, David. / Cold dark matter isocurvature perturbation in the curvaton scenario. In: Physical Review D – Particles and Fields. 2003 ; Vol. 68, No. 10. pp. 103516 / 11 pages.

Bibtex

@article{ace3e503acda4d93a9df1490022a1b77,
title = "Cold dark matter isocurvature perturbation in the curvaton scenario.",
abstract = "We discuss the residual isocurvature perturbations, fully correlated with the curvature perturbation, that are automatic in the curvaton scenario if curvaton decay is sufficiently late. We contrast these residual isocurvature perturbations with the generally uncorrelated “intrinsic” isocurvature perturbation generated by an additional field such as the axion. We present a general formula for the residual isocurvature perturbations, referring only to the generation of the relevant quantity [cold dark matter (CDM), baryon number or lepton number] in an unperturbed universe. Specific formulas for the residual isocurvature CDM perturbation are given for most of the commonly considered CDM candidates.",
author = "Lyth, {David H.} and David Wands",
year = "2003",
doi = "10.1103/PhysRevD.68.103516",
language = "English",
volume = "68",
pages = "103516 / 11 pages",
journal = "Physical Review D – Particles and Fields",
issn = "1550-2368",
publisher = "American Physical Society",
number = "10",

}

RIS

TY - JOUR

T1 - Cold dark matter isocurvature perturbation in the curvaton scenario.

AU - Lyth, David H.

AU - Wands, David

PY - 2003

Y1 - 2003

N2 - We discuss the residual isocurvature perturbations, fully correlated with the curvature perturbation, that are automatic in the curvaton scenario if curvaton decay is sufficiently late. We contrast these residual isocurvature perturbations with the generally uncorrelated “intrinsic” isocurvature perturbation generated by an additional field such as the axion. We present a general formula for the residual isocurvature perturbations, referring only to the generation of the relevant quantity [cold dark matter (CDM), baryon number or lepton number] in an unperturbed universe. Specific formulas for the residual isocurvature CDM perturbation are given for most of the commonly considered CDM candidates.

AB - We discuss the residual isocurvature perturbations, fully correlated with the curvature perturbation, that are automatic in the curvaton scenario if curvaton decay is sufficiently late. We contrast these residual isocurvature perturbations with the generally uncorrelated “intrinsic” isocurvature perturbation generated by an additional field such as the axion. We present a general formula for the residual isocurvature perturbations, referring only to the generation of the relevant quantity [cold dark matter (CDM), baryon number or lepton number] in an unperturbed universe. Specific formulas for the residual isocurvature CDM perturbation are given for most of the commonly considered CDM candidates.

U2 - 10.1103/PhysRevD.68.103516

DO - 10.1103/PhysRevD.68.103516

M3 - Journal article

VL - 68

SP - 103516 / 11 pages

JO - Physical Review D – Particles and Fields

JF - Physical Review D – Particles and Fields

SN - 1550-2368

IS - 10

ER -