Nuclear Theory/RIKEN Seminar

"Renormalization-group flow of the effective action of cosmological large-scale structures"

Presented by Stefan Flörchinger, Heidelberg

Friday, December 2, 2016, 2:00 pm — Small Seminar Room, Bldg. 510

The large scale structure of the universe forms a particular type of fluid which is governed by the properties of dark matter. I discuss how one can derive renormalization group equations for the effective action that describes the statistical properties of this fluid. Taking into account in particular effective viscosity and sound velocity terms leads to an improved framework to determine density and velocity power spectra.

Hosted by: Heikki Mantysaari

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