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Precision cosmology with the 2MASS clustering dipole
Maciej Bilicki, Michał Chodorowski, Wojciech Hellwing +2
Comparison of peculiar velocities of galaxies with their gravitational accelerations (induced by the density field) is one of the methods to constrain the redshift distortion param…
The nonlinear matter and velocity power spectra in f(R) gravity
Baojiu Li, Wojciech A. Hellwing, Kazuya Koyama +3
We study the matter and velocity divergence power spectra in a f(R) gravity theory and their time evolution measured from several large-volume N-body simulations with varying box s…
Skewness as a probe of Baryon Acoustic Oscillations
Roman Juszkiewicz, Wojciech A. Hellwing, Rien van de Weygaert
In this study we show that the skewness S_3 of the cosmic density field contains a significant and potentially detectable and clean imprint of Baryonic Acoustic Oscillations. Altho…