3 papers
astro-ph.CO2026
Which filaments matter: the relative scalings of anisotropic infall
Junsup Shim, Dmitri Pogosyan, Myoungwon Jeon +1
Dark-matter haloes do not form in isolation but within the surrounding cosmic web. By the time a halo begins to collapse, its larger-scale environment has typically collapsed along…
astro-ph.CO2024
Improving cosmological constraints via galaxy intrinsic alignment in full-shape analysis
Junsup Shim, Teppei Okumura, Atsushi Taruya
The intrinsic alignment (IA) of galaxy shapes probes the underlying gravitational tidal field, thus offering cosmological information complementary to galaxy clustering. In this pa…
astro-ph.CO2024
Squeezing Full-Shape Dynamical Dark Energy Constraints with Galaxy Alignments
Junsup Shim, Teppei Okumura, Atsushi Taruya
Recent deviations from the Cosmological Constant suggest that dark energy (DE) may be dynamical, based on baryon acoustic oscillations and full-shape galaxy clustering (…