Fakultät für Physik und Astronomie
STEPHEN PHILLIPS hostreviews.co.uk / UNSPLASH

Fuzzy Dark Matter in Kinetic Field Theory

Carsten Littek , ZAH/ITA

Recently, Fuzzy Dark Matter models such as Ultra-Light Axions have caught a lot of interest. Their dynamics is described by the classical equations of a condensate. This introduces a quantum potential in the Euler equation and is generally repulsive. We have developed an extension to KFT treating the effects of the quantum potential on the dynamics and on the initial density fluctuation power-spectrum. We find the effects to be largest on scales in the range of $3h/\mathrm{Mpc}\gtrsim k\gtrsim0.3h/\mathrm{Mpc}$, close to the onset of non-linear structures.

ITA "blackboard" Colloquium
30 Apr 2018, 11:15
Philosophenweg, 12, 106

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