Paper Explainer: General Constraints on Isocurvature from the CMB and Ly-alpha Forest

This is a paper explainer for my recent paper “General Constraints on Isocurvature from the CMB and Ly-$\alpha$ Forest” by myself, Peizhi Du (Rutgers postdoc until recently, now a newly-minted faculty member in China), Nicolas Fernandez (Rutgers postdoc), and my student Mitchell Weikert. This is in some ways a follow up to our previous paper which I wrote about here That paper had to do with a new…