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9 papers · 2 filters
Evolution of skewness and kurtosis of cosmic density fields
Jaan Einasto, Anatoly Klypin, Gert Hütsi +2
Methods. We perform numerical simulations of the evolution of the cosmic web for the conventional LCDM model. The simulations cover a wide range of box sizes L = 256 - 4000 Mpc/h,…
The Simons Observatory: gain, bandpass and polarization-angle calibration requirements for B-mode searches
Maximilian H. Abitbol, David Alonso, Sara M. Simon +45
We quantify the calibration requirements for systematic uncertainties for next-generation ground-based observatories targeting the large-angle -mode polarization of the Cosmic M…
CMB-S4: Forecasting Constraints on Primordial Gravitational Waves
S4 Collaboration, Kevork Abazajian, Graeme E. Addison +233
CMB-S4---the next-generation ground-based cosmic microwave background (CMB) experiment---is set to significantly advance the sensitivity of CMB measurements and enhance our underst…
The mass function dependence on the dynamical state of dark matter haloes
R. Seppi, J. Comparat, K. Nandra +6
Galaxy clusters are luminous tracers of the most massive dark matter haloes in the Universe. To use them as a cosmological probe, a detailed description of the properties of dark m…
The Uchuu Simulations: Data Release 1 and Dark Matter Halo Concentrations
Tomoaki Ishiyama, Francisco Prada, Anatoly A. Klypin +11
We introduce the Uchuu suite of large high-resolution cosmological -body simulations. The largest simulation, named Uchuu, consists of 2.1 trillion () dark matter parti…
Clustering and Halo Abundances in Early Dark Energy Cosmological Models
Anatoly Klypin, Vivian Poulin, Francisco Prada +7
LCDM cosmological models with Early Dark Energy (EDE) have been proposed to resolve tensions between the Hubble constant H0 = 100h km/s/Mpc measured locally, giving h ~ 0.73, and H…