Interacting dark sector with transversal interaction

Luis P. Chimento; Martín G. Richarte

doi:10.1063/1.4913335

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arXiv · 1402.6371

Interacting dark sector with transversal interaction

Luis P. Chimento·Martín G. Richarte

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Abstract

We investigate the interacting dark sector composed of dark matter, dark energy, and dark radiation for a spatially flat Friedmann-Robertson-Walker (FRW) background by introducing a three-dimensional internal space spanned by the interaction vector $\mathbf{Q}$ and solve the source equation for a linear transversal interaction. Then, we explore a realistic model with dark matter coupled to a scalar field plus a decoupled radiation term, analyze the amount of dark energy in the radiation era and find that our model is consistent with the recent measurements of cosmic microwave background anisotropy coming from Planck along with the future constraints achievable by CMBPol experiment.

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Luis P. Chimento, Martín G. Richarte. 2014-02-25. Interacting dark sector with transversal interaction. https://doi.org/10.1063/1.4913335

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