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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...

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Detalles Bibliográficos
Autores principales: Blas, Diego, Floerchinger, Stefan, Garny, Mathias, Tetradis, Nikolaos, Wiedemann, Urs Achim
Lenguaje:eng
Publicado: 2015
Materias:
Acceso en línea:https://dx.doi.org/10.1088/1475-7516/2015/11/049
http://cds.cern.ch/record/2037741