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Evaporation of Primordial Black Holes in the Early Universe: Mass and Spin Distributions
Andrew Cheek, Lucien Heurtier, Yuber F. Perez-Gonzalez +1
Many cosmological phenomena lead to the production of primordial black holes in the early Universe. These phenomena often create a population of black holes with extended mass and…
Primordial Black Holes Place the Universe in Stasis
Keith R. Dienes, Lucien Heurtier, Fei Huang +3
A variety of scenarios for early-universe cosmology give rise to a population of primordial black holes (PBHs) with a broad spectrum of masses. The evaporation of PBHs in such scen…
Signatures of Non-thermal Dark Matter with Kination and Early Matter Domination: Gravitational Waves versus Laboratory Searches
Anish Ghoshal, Lucien Heurtier, Arnab Paul
The non-thermal production of dark matter (DM) usually requires very tiny couplings of the dark sector with the visible sector and therefore is notoriously challenging to hunt in l…
Cosmological Imprints of SUSY Breaking in Models of Sgoldstinoless Non-Oscillatory Inflation
Lucien Heurtier, Ahmad Moursy, Lucien Wacquez
In supergravity, the dynamics of the sgoldstino -- superpartner of the goldstino superfield associated with the breaking of supersymmetry at low energy -- can substantially modify…
Redshift Effects in Particle Production from Kerr Primordial Black Holes
Andrew Cheek, Lucien Heurtier, Yuber F. Perez-Gonzalez +1
When rotating primordial black holes evaporate via Hawking radiation, their rotational energy and mass are dissipated with different dynamics. We investigate the effect of these dy…