26–29 Sept 2017
DESY Hamburg
Europe/Berlin timezone

Primordial Black Holes and Gravitational waves from Axion Inflation

28 Sept 2017, 17:30
18m
Seminar room 4a (DESY Hamburg)

Seminar room 4a

DESY Hamburg

Notkestrasse 85, 22607 Hamburg

Speaker

Dr Mauro Pieroni (Instituto de Fisica Teorica)

Description

In my talk I discuss the phenomenology of models in which a pseudoscalar inflaton is coupled to some abelian gauge fields. The coupling between the inflaton and the gauge fields induces an instability in the theory which gives rise to a wide range of potentially observable signatures. In particular, I focus on the possibility of generating chiral gravitational waves in the range of direct gravitational wave detectors and primordial black holes which can account for a part (or all) of the dark matter observed in the Universe. The results of this analysis can be used to extract information on the microphysics of inflation.

Primary author

Dr Mauro Pieroni (Instituto de Fisica Teorica)

Co-authors

Dr Francesco Muia (University of Oxford) Dr Lukas T. Witkowski (APC Paris) Dr Valerie Domcke (APC Paris)

Presentation materials