Inhomogeneous nucleosynthesis in linearly coasting cosmology

Abstract We investigate primordial nucleosynthesis in a universe in which the scale factor evolves linearly with cosmic time and which has an inhomogeneous baryon density. We report that in principle one can close the bounds on dynamic estimates of matter by baryons alone – with no need of any exoti...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2018-01, Vol.473 (1), p.14-19
Main Authors: Singh, Gurvinder, Lohiya, Daksh
Format: Article
Language:English
Subjects:
Baryons
Coasting
Cosmology
Dark matter
Universe
Viability
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Summary:Abstract We investigate primordial nucleosynthesis in a universe in which the scale factor evolves linearly with cosmic time and which has an inhomogeneous baryon density. We report that in principle one can close the bounds on dynamic estimates of matter by baryons alone – with no need of any exotic dark matter. We address to some concerns on the overall viability of such an evolution.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stx2281