Neutrinos in N-body simulations

Understand

In the next decade, cosmological surveys will have the statistical power to detect the absolute neutrino mass scale.

• N-body simulations of large-scale structure formation play a central role in interpreting data from such surveys.
• Yet these simulations are Newtonian in nature.
• We provide a quantitative study of the limitations to treating neutrinos, implemented as N-body particles, in N-body codes, focusing on the error introduced by neglecting special relativistic effects.