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Francesc Ferrer (Washington University)

Date: Tue. October 30th, 2018, 11:30 am-12:30 pm
Location: Foldy room

Primordial black holes in the wake of LIGO

The detection of gravitational waves from the merger of black holes of ~30 solar masses has reignited the interest of primordial black holes (PBHs) as the source of the dark matter in the universe. We will review the existing constraints on the abundance of PBHs and the implications for several fundamental physics scenarios. A small relic abundance of heavy PBHs may play and important role in the generation of cosmological structures, and we will discuss how such a PBH population can be generated by the collapse of axionic topological defects.

Host: Mathur

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