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pro vyhledávání: '"Bakx, Thomas"'
We introduce COBRA (Cosmology with Optimally factorized Bases of Radial Approximants), a novel framework for rapid computation of large-scale structure observables. COBRA separates scale dependence from cosmological parameters in the linear matter po
Externí odkaz:
http://arxiv.org/abs/2407.04660
Intrinsic alignment (IA) of source galaxies represents an important contaminant for upcoming cosmic shear surveys. In particular, it is expected on general grounds that IA contains a B-mode while the weak lensing signal does not. Thus, a detection of
Externí odkaz:
http://arxiv.org/abs/2309.03841
Autor:
Maion, Francisco, Angulo, Raul E., Bakx, Thomas, Chisari, Nora Elisa, Kurita, Toshiki, Pellejero-Ibáñez, Marcos
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 531, Issue 2, June 2024, Pages 2684-2700
The intrinsic alignment of galaxies is an important ingredient for modelling weak-lensing measurements, and a potentially valuable cosmological and astrophysical signal. In this paper, we present HYMALAIA: a new model to predict the intrinsic alignme
Externí odkaz:
http://arxiv.org/abs/2307.13754
We test the regime of validity of the effective field theory (EFT) of intrinsic alignments (IA) at the one-loop level by comparing with 3D halo shape statistics in N-body simulations. This model is based on the effective field theory of large-scale s
Externí odkaz:
http://arxiv.org/abs/2303.15565
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