4 papers
Running of the spectral index: Reconciling the CMB with the Lyman- Forest
Malcolm Fairbairn, Lucien Heurtier, MarÃa Olalla Olea-Romacho
We investigate the scale dependence of the primordial power spectrum by combining \Planck, ACT DR6, SPT-3G, and eBOSS Lyman- forest data, extending sensitivity to smaller comov…
JWST Constraints on Primordial Magnetic Fields
Malcolm Fairbairn, MarÃa Olalla Olea-Romacho, Juan Urrutia +1
Primordial magnetic fields (PMFs) enhance small-scale structure formation through the Lorentz force acting on baryons, boosting the abundance of low-mass halos and their hosted gal…
Primordial Black Hole Hot Spots and Nucleosynthesis
Clelia Altomonte, Malcolm Fairbairn, Lucien Heurtier
Upon their evaporation via Hawking radiation, primordial black holes (PBHs) may deposit energy in the ambient plasma on scales smaller than the typical distance between two black h…
Can WIMPs Survive the Legacy of a Magnetised Early Universe?
MarÃa Olalla Olea-Romacho, Malcolm Fairbairn, Pranjal Ralegankar
Primordial magnetic fields (PMFs) can seed additional small-scale matter fluctuations, leading to the formation of dense, early-collapsing dark matter structures known as minihalos…