3 papers
astro-ph.CO2026
Dark Quest II: A Wide-Coverage Neural Network Emulator of the Nonlinear Matter Power Spectrum Across Extended Cosmologies
Satoshi Tanaka, Takahiro Nishimichi, Yosuke Kobayashi
\textsc{DarkEmulator2} is a neural network emulator of the nonlinear matter power spectrum in a nine-dimensional parameter space, developed as the emulato…
astro-ph.CO2026
GINKAKU: Scalable Cosmological Structure Formation Simulation Code and Post-processing Pipeline
Takahiro Nishimichi, Satoshi Tanaka, Kohji Yoshikawa
We introduce GINKAKU, a new cosmological -body code developed for the Dark Quest II (DQ2) simulation campaign and designed for controlled ensemble production across the cosmolog…
astro-ph.CO2023
Emulating power spectra for pre- and post-reconstructed galaxy samples
Yuting Wang, Ruiyang Zhao, Zhongxu Zhai +10
The small-scale linear information in galaxy samples typically lost during non-linear growth can be restored to a certain level by the density field reconstruction, which has been…