Dark spinor inflation -- theory primer and dynamics

Details Dark spinor inflation -- theory primer and dynamics Dark spinor inflation -- theory primer and dynamics

2008-04-03

arxiv.org/abs/0804.0616v2

Phys.Rev.D77:123535,2008

Astronomy and Astrophysics

Astrophysics

13 pages; typo in Eq. (12) corrected, minor improvements

Scientific paper

10.1103/PhysRevD.77.123535

Inflation driven by a single dark spinor field is discussed. We define the
notion of a dark spinor field and derive the cosmological field equations for
such a matter source. The conditions for inflation are determined and an
exactly solvable model is presented. We find the power spectrum of the quantum
fluctuation of this field and compare the results with scalar field inflation.

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