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arXiv · 1406.0407

Growth Rate in the Dynamical Dark Energy Models

Olga Avsajanishvili·Natalia A. Arkhipova·Lado Samushia·Tina Kahniashvili
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Abstract

Dark Energy models with slowly-rolling cosmological scalar field provide a popular alternative to the standard, time-independent cosmological constant model. We study simultaneous evolution of background expansion and growth in the scalar field model with the Ratra-Peebles self-interaction potential. We use recent measurements of the linear growth rate and the baryon acoustic oscillation peak positions to constrain the model parameter $α$ that describes the steepness of the scalar field potential.

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Olga Avsajanishvili, Natalia A. Arkhipova, Lado Samushia, Tina Kahniashvili. 2014-08-28. Growth Rate in the Dynamical Dark Energy Models. https://doi.org/10.1140/epjc%2Fs10052-014-3127-5

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