Phantom dark energy as an effect of bulk viscosity

@misc{wang2013phantomdarkenergy,
      title={Phantom dark energy as an effect of bulk viscosity},
      author={Jiaxin Wang and Hermano Velten and Xinhe Meng},
      year={2013},
      eprint={1307.4262},
      archivePrefix={arXiv},
      primaryClass={astro-ph.CO},
      url={https://arxiv.org/abs/1307.4262},
}