Using large-scale structure data and a halo model to constrain generalized dark matter

  title={Using large-scale structure data and a halo model to constrain generalized dark matter},
  author={Daniel B. Thomas and M. I. Kopp and Katarina Markovivc},
  journal={Monthly Notices of the Royal Astronomical Society},
Constraints on the properties of the cosmological dark matter have previously been obtained in a model-independent fashion using the generalized dark matter (GDM) framework. Here we extend that work in several directions: We consider the inclusion of WiggleZ matter power spectrum data (MPS), and show that this improves the constraints on the two perturbative GDM parameters, $c^2_\mathrm{ s}$ and $c^2_\text{vis}$, by a factor of 3, for a conservative choice of wavenumber range. A less… 

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