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Large scale structure from viscous dark matter
Cosmological perturbations of sufficiently long wavelength admit a fluid dynamic description. We consider modes with wavevectors below a scale $k_m$ for which the dynamics is only mildly non-linear. The leading effect of modes above that scale can be accounted for by effective non-equilibrium viscos...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2015
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2015/11/049 http://cds.cern.ch/record/2037741 |