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Flat direction dynamics in a non-topological soliton-dominated universe.

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Flat direction dynamics in a non-topological soliton-dominated universe. / McDonald, John.
In: Journal of Cosmology and Astroparticle Physics, Vol. 2004, No. 8, 08.2004, p. 002.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

McDonald, J 2004, 'Flat direction dynamics in a non-topological soliton-dominated universe.', Journal of Cosmology and Astroparticle Physics, vol. 2004, no. 8, pp. 002. https://doi.org/10.1088/1475-7516/2004/08/002

APA

Vancouver

McDonald J. Flat direction dynamics in a non-topological soliton-dominated universe. Journal of Cosmology and Astroparticle Physics. 2004 Aug;2004(8):002. doi: 10.1088/1475-7516/2004/08/002

Author

McDonald, John. / Flat direction dynamics in a non-topological soliton-dominated universe. In: Journal of Cosmology and Astroparticle Physics. 2004 ; Vol. 2004, No. 8. pp. 002.

Bibtex

@article{c5b4a7faf4f8438ca4337e1c72aebe72,
title = "Flat direction dynamics in a non-topological soliton-dominated universe.",
abstract = "In running mass inflation and hybrid inflation models it is possible that the inflaton field will fragment into non-topological solitons, resulting in a highly inhomogeneous post-inflation era prior to reheating. In supersymmetric models with a conventional homogeneous post-inflation era, the dynamics of flat direction scalars are determined by cH2 corrections to the mass squared terms (where ), coming from F-terms in the early universe combined with Planck-scale suppressed interactions. Here we reconsider the mass squared corrections for a universe dominated by inflatonic non-topological solitons. We show that in this case the dynamics of a coherently oscillating flat direction scalar are typically the same as for the case where there is no significant mass squared correction, even in the vicinity of the non-topological solitons. Therefore the dynamics of flat direction scalars in a universe dominated by inflatonic non-topological solitons are equivalent to the case c = 0 of a homogeneous universe.",
keywords = "cosmology of theories beyond the SM, physics of the early universe",
author = "John McDonald",
year = "2004",
month = aug,
doi = "10.1088/1475-7516/2004/08/002",
language = "English",
volume = "2004",
pages = "002",
journal = "Journal of Cosmology and Astroparticle Physics",
issn = "1475-7516",
publisher = "IOP Publishing",
number = "8",

}

RIS

TY - JOUR

T1 - Flat direction dynamics in a non-topological soliton-dominated universe.

AU - McDonald, John

PY - 2004/8

Y1 - 2004/8

N2 - In running mass inflation and hybrid inflation models it is possible that the inflaton field will fragment into non-topological solitons, resulting in a highly inhomogeneous post-inflation era prior to reheating. In supersymmetric models with a conventional homogeneous post-inflation era, the dynamics of flat direction scalars are determined by cH2 corrections to the mass squared terms (where ), coming from F-terms in the early universe combined with Planck-scale suppressed interactions. Here we reconsider the mass squared corrections for a universe dominated by inflatonic non-topological solitons. We show that in this case the dynamics of a coherently oscillating flat direction scalar are typically the same as for the case where there is no significant mass squared correction, even in the vicinity of the non-topological solitons. Therefore the dynamics of flat direction scalars in a universe dominated by inflatonic non-topological solitons are equivalent to the case c = 0 of a homogeneous universe.

AB - In running mass inflation and hybrid inflation models it is possible that the inflaton field will fragment into non-topological solitons, resulting in a highly inhomogeneous post-inflation era prior to reheating. In supersymmetric models with a conventional homogeneous post-inflation era, the dynamics of flat direction scalars are determined by cH2 corrections to the mass squared terms (where ), coming from F-terms in the early universe combined with Planck-scale suppressed interactions. Here we reconsider the mass squared corrections for a universe dominated by inflatonic non-topological solitons. We show that in this case the dynamics of a coherently oscillating flat direction scalar are typically the same as for the case where there is no significant mass squared correction, even in the vicinity of the non-topological solitons. Therefore the dynamics of flat direction scalars in a universe dominated by inflatonic non-topological solitons are equivalent to the case c = 0 of a homogeneous universe.

KW - cosmology of theories beyond the SM

KW - physics of the early universe

U2 - 10.1088/1475-7516/2004/08/002

DO - 10.1088/1475-7516/2004/08/002

M3 - Journal article

VL - 2004

SP - 002

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

SN - 1475-7516

IS - 8

ER -