Kinetic Field Theory – A new approach to non-linear structure formation

26.01.2018 11:30 – 12:30

I will give an overview of a novel analytic approach to cosmic
large-scale structure formation which provides a density fluctuation
power spectrum that agrees well with state of the art N-body simulations
up to k = 10h Mpc−1 . Thus far, the non-linear regime of structure
formation is only accessible through expensive numerical N-body
simulations since the conventional analytic treat- ment of cosmic
density fluctuations via the hydrodynamical equations runs into severe
problems even in a mildly non-linear regime. I will point out how our
Kinetic Field Theory avoids the difficulties of standard perturbation
theory by construction and allows to proceed deeply into the non-linear
regime of density fluctuations. My main focus will be on the
opportunities this method provides to study the physics behind structure
formation.

Lieu

Bâtiment: Ecole de Physique

Salle 234, 24 quai Ernest-Ansermet

entrée libre