Spinor Dark Energy and Cosmological Coincidence Problem

Details Spinor Dark Energy and Cosmological Coincidence Problem Spinor Dark Energy and Cosmological Coincidence Problem

2010-02-23

arxiv.org/abs/1002.4230v3

Phys.Lett.B695:307-311,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, revtex4; v2: major revision, title changed, Phys. Lett. B in press; v3: published version

Scientific paper

10.1016/j.physletb.2010.10.053

Recently, the so-called Elko spinor field has been proposed to be a candidate of dark energy. It is a non-standard spinor and has unusual properties. When the Elko spinor field is used in cosmology, its unusual properties could bring some interesting consequences. In the present work, we discuss the cosmological coincidence problem in the spinor dark energy models by using the dynamical system method. Our results show that the cosmological coincidence problem should be taken to heart in the investigations of spinor dark energy models.

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