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Michael Ryan

Michael Ryan — Graduate Student — Graduate Student
Office: 301C Whitmore Laboratory
Address: 104 Davey Laboratory #65
mzr55@psu.edu
Michael Ryan
Physics Black Holes Dark Matter CTOC

Michael is a 5th year graduate student working in the dissipative dark matter group on dark chemistry and dark object formation. Michael is the primary developer of the DarkKROME extension (found at https://www.bitbucket.org/mtryan83/darkkrome) to the KROME software package, which adds atomic dark matter chemistry to KROME. He is also working with David Radice on dark white dwarfs, looking into their properties and running simulations on the mergers to investigate possible GW signals. Michael has a M.S in Applied Physics from Johns Hopkins and a B.S. in Physics, Math, and Computer Science from Dickinson College.

ORCID: 0000-0002-0378-5195

Publications
  1. James Gurian, Donghui Jeong, Michael Ryan, Sarah Shandera “Molecular Chemistry for Dark Matter. II. Recombination, Molecule Formation, and Halo Mass Function in Atomic Dark Matter.” ApJ 934 2 (2022) doi:10.3847/1538-4357/ac75e4
  2. Michael Ryan, James Gurian, Sarah Shandera, Donghui Jeong “Molecular Chemistry for Dark Matter.” ApJ 934 2 (2022) doi:10.3847/1538-4357/ac75ef
  3. Michael Ryan, Sarah Shandera, James Gurian, Donghui Jeong “Molecular Chemistry for Dark Matter. III. DarkKROME.” ApJ 934 2 (2022) doi:10.3847/1538-4357/ac75e5
  4. Michael Ryan, David Radice “Exotic compact objects: The dark white dwarf.” PhysRevD 105 11 (2022) doi:10.1103/physrevd.105.115034

Michael Ryan's research group

Name Role Affiliations Email Phone Office Centers Research topics
John Blakely John Blakely Undergraduate Student Astronomy, Physics jpb6799@psu.edu +1 814 865 0410 Osmond Laboratory CTOC, IGC Black Holes, Dark Matter
About our wordmark
Monica Rincon Ramirez

The IGC wordmark was created by Monica Rincon Ramirez while she was a graduate student at the Institute. Monica enjoys drawing new connections between fundamental theory and observations. Her graduate work included general relativity, loop quantum gravity, and quantum fields in cosmological backgrounds; her thesis focused on effective quantum corrections to gravitational phenomena from spinfoams and applications to cosmology. She received her PhD in 2024.

The wordmark symbolizes the scope of research at the IGC. The base represents quantum gravity, evoking the quantum geometrical picture from spinfoams and loop quantum gravity — approaches studied at the Center for Fundamental Theory. The middle shows galaxies embedded in a smooth surface characteristic of spacetime in general relativity and the larger physical scales studied at the Center for Theoretical and Observational Cosmology. The top curves to an extreme representing a supermassive black hole accompanied by an energetic jet, with a binary black hole pair nearby — the high-energy phenomena studied at the Center for Multimessenger Astrophysics.