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Non-linear Matter Spectra in Coupled Quintessence
F. Saracco, M. Pietroni, N. Tetradis +2
We consider cosmologies in which a dark-energy scalar field interacts with cold dark matter. The growth of perturbations is followed beyond the linear level by means of the time-re…
Very large scale structures in growing neutrino quintessence
Nico Wintergerst, Valeria Pettorino, David F. Mota +1
A quintessence scalar field or cosmon interacting with neutrinos can have important effects on cosmological structure formation. Within growing neutrino models the coupling becomes…
Growing neutrino cosmology
Christof Wetterich, Valeria Pettorino
In growing neutrino models, the neutrino mass increases in time and stops the dynamical evolution of a dark energy scalar field, thus explaining the 'why now' problem. A new attrac…
Clustering in growing neutrino cosmologies
Valeria Pettorino, David F. Mota, Georg Robbers +1
We show that growing neutrino models, in which the growing neutrino mass stops the dynamical evolution of a dark energy scalar field, lead to a substantial neutrino clustering on t…