2 papers
astro-ph.CO2024
Improving initialization and evolution accuracy of cosmological neutrino simulations
James M. Sullivan, J. D. Emberson, Salman Habib +1
Neutrino mass constraints are a primary focus of current and future large-scale structure (LSS) surveys. Non-linear LSS models rely heavily on cosmological simulations -- the impac…
astro-ph.CO2024
An Analytic Hybrid Halo + Perturbation Theory Model for Small-scale Correlators: Baryons, Halos, and Galaxies
James M. Sullivan, Uros Seljak, Sukhdeep Singh
We update Halo Zeldovich Perturbation Theory (HZPT), an analytic model for the two-point statistics of dark matter, to describe halo and galaxy clustering, and galaxy-matter cross-…