460 citations · 2.7k across the 31 of their papers we have counts for
Showing 2004 · astro-phShow all
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astro-ph2004
A Running Spectral Index in Supersymmetric Dark-Matter Models with Quasi-Stable Charged Particles
Stefano Profumo, Kris Sigurdson, Piero Ullio +1
We show that charged-particles decaying in the early Universe can induce a scale-dependent or `running' spectral index in the small-scale linear and nonlinear matter power spectrum…
astro-ph2004★ 5 cited
Neutralino Relic Density Enhancement in Non-Standard Cosmologies
Stefano Profumo, Piero Ullio
The thermal relic abundance of species critically depends on the assumed underlying cosmological model. In the case of neutralinos, freeze-out takes place long before Big Bang Nucl…