I want to tell you about my most recent paper “Dark Radiation Isocurvature from Cosmological Phase Transitions,” which I wrote with my coauthors Mitch Weikert, Peizhi Du, and Nicolas Fernandez. Peizhi and Nico are postdocs here at Rutgers, and Mitch is my grad student. All three are great and fun to work with, and you should hire them.

As the title of the paper suggests, this is a project with a bunch of moving parts, and it’s not easy (even by the standards of theoretical physics research) to explain to outsiders. Which is unfortunate, because it has to do with what we know about the very early Universe, and how we know it. It’s one of those things that is really beautiful and tremendously informative, but complicated enough that its hard to convey how and why we know the things we know.