PIRSA:26040113

Video URL

https://pirsa.org/26040113

Core Collapse Beyond the Fluid Approximation

Gurian, J. (2026). Core Collapse Beyond the Fluid Approximation. Perimeter Institute for Theoretical Physics. https://pirsa.org/26040113

Gurian, James. Core Collapse Beyond the Fluid Approximation. Perimeter Institute for Theoretical Physics, Apr. 27, 2026, https://pirsa.org/26040113 

          @misc{ scivideos_PIRSA:26040113,
            doi = {10.48660/26040113},
            url = {https://pirsa.org/26040113},
            author = {Gurian, James},
            keywords = {Cosmology},
            language = {en},
            title = {Core Collapse Beyond the Fluid Approximation},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2026},
            month = {apr},
            note = {PIRSA:26040113 see, \url{https://scivideos.org/pirsa/26040113}}
          }

James Gurian Perimeter Institute for Theoretical Physics

Talk numberPIRSA:26040113
DOI10.48660/26040113
Source RepositoryPIRSA
Collection
Talk Type Conference
Subject

Abstract

I will discuss a new kinetic code for simulating core collapse in self-interacting dark matter halos, KiSS-SIDM. Using this code, we find that in the intermediate stages of the collapse the dark matter is not well-described as an ideal fluid. A more general point is that studying structure formation in hidden sector models is challenging, and will require new tools and techniques.