161 citations · 721 across the 29 of their papers we have counts for
29 papers
The price for monopole dark matter
Felix Brümmer, Giacomo Ferrante, Théodore Fischer +1
We construct an explicit model where dark matter consists of 't Hooft-Polyakov monopoles. The dark sector is in thermal contact with the Standard Model, and dark monopoles are crea…
No room for minimal monopole dark matter
Felix Brümmer, Giacomo Ferrante, Théodore Fischer +1
The magnetic monopole of a dark sector has been advocated as an appealing dark matter candidate. We revisit the computation of the monopole abundance , generated by a thermal…
Hybrid inflation and gravitational waves from accidentally light scalars
Felix Brümmer, Giacomo Ferrante, Michele Frigerio
We construct a hybrid-inflation model where the inflaton potential is generated radiatively, as gauge symmetries guarantee it to be accidentally flat at tree level. The model can b…
Accidentally light scalars from large representations
Felix Brümmer, Giacomo Ferrante, Michele Frigerio +1
In models with spontaneous symmetry breaking by scalar fields in large group representations, we observe that some of the scalar masses can be loop-suppressed with respect to the n…
Axion-like particles as mediators for dark matter: beyond freeze-out
A. Bharucha, F. Brümmer, N. Desai +1
We consider an axion-like particle (ALP) coupled to Standard Model (SM) fermions as a mediator between the SM and a fermionic dark matter (DM) particle. We explore the case where t…
Coscattering in next-to-minimal dark matter and split supersymmetry
Felix Brümmer
In some models of thermal relic dark matter, the relic abundance may be set by inelastic scattering processes (rather than annihilations) becoming inefficient as the universe cools…