Dark spinor driven inflation

Details Dark spinor driven inflation Dark spinor driven inflation

2010-02-05

arxiv.org/abs/1002.1128v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

3 Pages, To appear in the Proceedings of the 12th Marcel Grossman Meeting

Scientific paper

Inflation is considered to be the best paradigm for describing the early universe. However, it is still unclear what is the nature of the field which drives inflation. In this talk, we discuss the possibility of spinor field driving inflation. Spinflaton -- a scalar condensate of the dark spinor field -- has a single scalar degree of freedom and leads to the identical acceleration equation as the scalar field. We also discuss the advantages of this model compared to the scalar field driven inflation and discuss its observational relevance.

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