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arxiv: 0906.0396 · v1 · submitted 2009-06-02 · 🌌 astro-ph.CO

Dynamics of Scalar Field Dark Matter With a Cosh-like Potential

classification 🌌 astro-ph.CO
keywords darkfieldmatterscalarsolutionattractorcosh-likecosmological
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The dynamics of a cosmological model fueled by scalar field dark matter with a cosh-like potential plus a cosmological constant is investigated in detail. It is revealed that the late-time attractor is always the de Sitter solution, and that, depending on the values of the free parameters, the oscillating solution of the scalar field -- modeling cold dark matter -- mediates between some early stage (say, the radiation-dominated solution) and the accelerating de Sitter attractor.

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