# New Scalar Field Quartessence.

@article{Brandenberger2018NewSF,
title={New Scalar Field Quartessence.},
author={R. Brandenberger and R. R. Cuzinatto and J. Frohlich and R. Namba},
journal={arXiv: General Relativity and Quantum Cosmology},
year={2018}
}
• R. Brandenberger, +1 author R. Namba
• Published 2018
• Physics
• arXiv: General Relativity and Quantum Cosmology
• We propose a cosmological scenario involving a single scalar field, $\varphi$, that is a source of Dark Matter as well as Dark Energy. The Lagrangian density of $\varphi$ contains a second field $\chi$, for simplicity assumed to be a scalar. For fixed values of $\chi$, the potential of $\varphi$ decays exponentially at large positive $\varphi$-values. While $\varphi$ is not coupled to Standard Model fields, $\chi$ is assumed to couple to them. Hence, the Green functions of $\chi$ depend on the… CONTINUE READING

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