4 papers
Statistics of predictions with missing higher order corrections
Laure Berthier, Jeppe Trøst Nielsen
Effective operators have been used extensively to understand small deviations from the Standard Model in the search for new physics. So far there has been no general method to fit…
Higher order relativistic galaxy number counts: dominating terms
Jeppe Trøst Nielsen, Ruth Durrer
We review the number counts to second order concentrating on the terms which dominate on sub horizon scales. We re-derive the result for these terms and compare it with the differe…
Supernovae as cosmological probes
Jeppe Trost Nielsen
The cosmological standard model at present is widely accepted as containing mainly things we do not understand. In particular the appearance of a Cosmological Constant, or dark ene…
Marginal evidence for cosmic acceleration from Type Ia supernovae
Jeppe Trøst Nielsen, Alberto Guffanti, Subir Sarkar
The "standard" model of cosmology is founded on the basis that the expansion rate of the universe is accelerating at present --- as was inferred originally from the Hubble diagram…