200 citations · 2.2k across the 48 of their papers we have counts for
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Early Formation of Supermassive Black Holes via Dark Star Gravitational Instability
Katherine Freese, George M. Fuller, Sohan Ghodla +4
We show that dark stars, which are dark-matter-powered stars in the early universe, can grow by accretion to masses in the range $\mathscr{O}\left ({10}^4\right )-\mathscr{O}\left…
Schwinger effect in axion inflation on a lattice
Oksana Iarygina, Evangelos I. Sfakianakis, Axel Brandenburg
We present the first lattice simulations of the nonlinear evolution after axion inflation by self-consistently incorporating currents arising from Schwinger pair production. The ta…
Robust non-minimal attractors in many-field inflation
Perseas Christodoulidis, Robert Rosati, Evangelos I. Sfakianakis
Multi-field inflation can be inherently non-predictive, with the exception of models with strong attractors. In this work, we focus on models with multiple scalar fields that are n…