Altering the Pre-recombination Expansion History with Hidden Sector Decays Many cosmological models introduce a new energy density contribution to the universe before the epoch of recombination in an attempt to alter the expansion history and address the Hubble tension: a 5σ discrepancy … Read more
Julian Munoz, Harvard University Cosmic Dawn: The next frontier in cosmology The last decades have firmly established the existence of a dark sector of our universe. Yet, details of its content have evaded all laboratory probes. In this talk I … Read more
Constraining Dark Matter Candidates in Early Matter Dominated Era Cosmologies An early matter dominated era (EMDE) before the onset of the radiation dominated era (RDE) is a prediction of many early Universe theories. Subhorizon dark matter (DM) density perturbations grow … Read more
Astronomy on Tap Fullsteam Brewery in Durham, NC
Title: Conformal Yangian and Tree Amplitudes in Scalar and Gauge Field Theories Abstract: Scattering amplitudes are intimately related to both experimental and theoretical ongoing efforts of testing the Standard Model of particle physics and our understanding of quantum field … Read more
Red Stars, Green Planets: Evaluating the Habitability of Planets via M-Dwarf Superflares Even though thousands of exoplanets are known, unambiguous evidence of habitable worlds remains elusive. M-dwarfs are the majority of stars in our Galaxy and the majority … Read more
The UNC Physics and Astronomy Department is excited to announce that Dr. Aobo Li, a COSMS Fellow, will be presenting a talk at the upcoming Carolina Data Science Now seminar. The seminar, titled "Summer of AI, Part 1," will take … Read more
We invite UNC faculty and staff to join us for the next Carolina Data Science Now seminar on May 25 at 12 PM ET. This month's theme is "Summer of AI, Part 1." The event will feature three lightning talks by … Read more
Join us for a weekly discussion of recent papers from the Astro-ph archive. Paper topics cover the full range of astronomy and astrophysics; papers are selected by participant votes. Sign up at www.benty-fields.com (search for UNC Astrophysics) to vote and … Read more
Join us for a weekly discussion of recent papers from the Astro-ph archive. Paper topics cover the full range of astronomy and astrophysics; papers are selected by participant votes. Sign up at www.benty-fields.com (search for UNC Astrophysics) to vote and … Read more