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Physical Review D
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arXiv.org e-Print Archive
Preprint . 2000
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Physical Review D
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Assisted inflation in Friedmann-Robertson-Walker and Bianchi spacetimes

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Sep 2000Embargo end date: 01 Jan 2000 Argentina English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 62 (issn: 0556-2821, eissn: 1089-4918, Copyright policy )
Authors: Chimento, Luis Pascual; Zuccalá, Norberto Alejandro; Aguirregabiria, Juan M.; Chamorro, Alberto;

doi: 10.1103/physrevd.62.084029 , 10.48550/arxiv.gr-qc/0006108

arXiv: gr-qc/0006108

handle: 11336/54425

Assisted inflation in Friedmann-Robertson-Walker and Bianchi spacetimes

Abstract

We use exact general solutions for the spatially flat FRW and the anisotropic Bianchi I cosmologies to show that generically uncoupled scalar fields cooperate to make inflation more probable, while the presence of several interacting fields hinders the occurrence of the phenomenon, in accordance with previous results based on particular power-law solutions. Similar conclusions are reached in the case of Bianchi VI$_0$ spacetimes, for power-law solutions which are proved to be attractors.

2 eps figures. To appear in PRD

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Argentina
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Keywords

Bianchi Type I, Bianchi Type Vi0, Assisted Inflation, https://purl.org/becyt/ford/1.3, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), https://purl.org/becyt/ford/1, General Relativity and Quantum Cosmology

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 15
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Average
Top 10%
Top 10%
Green
bronze