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Small scale structure of the IGM: A Dark Matter Tale

The intergalactic medium (IGM) plays a unique role in constraining the (small scale) matter power spectrum, since the low-density, high redshift IGM filaments are particularly sensitive to the small scale properties of dark matter. The main observable manifestation of the IGM, the Lyman-alpha forest, has provided important constraints on the linear matter power spectrum, especially when combined with cosmic microwave background data. This includes, most notably, the tightest constraints on warm dark matter (WDM) and fuzzy dark matter (FDM) models, that I will present in this talk.

Speaker: Vid Irsic, Washington

Room 50-5132

Friday, 05/24/19

Contact:

Website: Click to Visit

Cost:

Free

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Lawrence Berkeley National Laboratory

1 Cyclotron Road
Berkeley, CA 94720
USA

Website: Click to Visit