330 citations · 514 across the 5 of their papers we have counts for
5 papers
What will it take to measure individual neutrino mass states using cosmology?
Maria Archidiacono, Steen Hannestad, Julien Lesgourgues
We study the impact of assumptions made about the neutrino mass ordering on cosmological parameter estimation with the purpose of understanding whether in the future it will be pos…
: Cosmological neutrino simulations from the non-linear Boltzmann hierarchy
Jeppe Dakin, Jacob Brandbyge, Steen Hannestad +2
In this paper the non-linear effect of massive neutrinos on cosmological structures is studied in a conceptually new way. We have solved the non-linear continuity and Euler equatio…
Self-induced conversion in dense neutrino gases: Pendulum in flavour space
S. Hannestad, G. G. Raffelt, G. Sigl +1
Neutrino-neutrino interactions can lead to collective flavour conversion effects in supernovae and in the early universe. We demonstrate that the case of "bipolar" oscillations, wh…
The neutrino mass bound from WMAP-3, the baryon acoustic peak, the SNLS supernovae and the Lyman-alpha forest
Ariel Goobar, Steen Hannestad, Edvard Mortsell +1
We have studied bounds on the neutrino mass using new data from the WMAP 3 year data, the Sloan Digital Sky Survey measurement of the baryon acoustic peak, the Type Ia supernovae f…
Neutrino cosmology - an update
Steen Hannestad
Present cosmological observations yield an upper bound on the neutrino mass which is significantly stronger than laboratory bounds. However, the exact value of the cosmological bou…