8.6k citations
- Centre National de la Recherche ScientifiqueFR640 papers
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12 papers · 2 filters
One fewer solution to the cosmological lithium problem
Oliver S. Kirsebom, Barry Davids
Data from a recent 9Be(3He,t)9B measurement are used to rule out a possible solution to the cosmological lithium problem based on conventional nuclear physics.
Large-k Limit of Multi-Point Propagators in the RG Formalism
Katrine Skovbo
Renormalized versions of cosmological perturbation theory have been very successful in recent years in describing the evolution of structure formation in the weakly non-linear regi…
Neutrinos in Non-linear Structure Formation - a Simple SPH Approach
Steen Hannestad, Troels Haugbølle, Christian Schultz
We present a novel method for implementing massive neutrinos in N-body simulations. Instead of sampling the neutrino velocity distribution by individual point particles we take neu…
Evidence for extra radiation? Profile likelihood versus Bayesian posterior
Jan Hamann
A number of recent analyses of cosmological data have reported hints for the presence of extra radiation beyond the standard model expectation. In order to test the robustness of t…
Sterile neutrinos with eV masses in cosmology -- how disfavoured exactly?
Jan Hamann, Steen Hannestad, Georg G. Raffelt +1
We study cosmological models that contain sterile neutrinos with eV-range masses as suggested by reactor and short-baseline oscillation data. We confront these models with both pre…
Vortex Structures in a Rotating BEC Dark Matter Component
Nikolaj Thomas Zinner
We study the effects of a dark matter component that consists of bosonic particles with ultralight masses in the condensed state. We compare previous studies for both non-interacti…