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Redshift-space distortions with split densities
Enrique Paillas, Yan-Chuan Cai, Nelson Padilla +1
Accurate modelling of redshift-space distortions (RSD) is challenging in the non-linear regime for two-point statistics e.g. the two-point correlation function (2PCF). We take a di…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: exploring the Halo Occupation Distribution model for Emission Line Galaxies
Santiago Avila, Violeta Gonzalez-Perez, Faizan G. Mohammad +25
We study the modelling of the Halo Occupation Distribution (HOD) for the eBOSS DR16 Emission Line Galaxies (ELGs). Motivated by previous theoretical and observational studies, we c…
Extensions to the halo occupation distribution model for more accurate clustering predictions
Esteban Jiménez, Sergio Contreras, Nelson Padilla +3
We test different implementations of the halo occupation distribution (HOD) model to reconstruct the spatial distribution of galaxies as predicted by a publicly available semi-anal…
Lyman-alpha emitters in a cosmological volume II: the impact of the intergalactic medium
S. Gurung-Lopez, Alvaro A. Orsi, Silvia Bonoli +3
In the near future galaxy surveys will target Lyman alpha emitting galaxies (LAEs) to unveil the nature of the dark energy. It has been suggested that the observability of LAEs is…
Cosmic voids: a novel probe to shed light on our Universe
Alice Pisani, Elena Massara, David N. Spergel +26
Cosmic voids, the less dense patches of the Universe, are promising laboratories to extract cosmological information. Thanks to their unique low density character, voids are extrem…
The Santiago-Harvard-Edinburgh-Durham void comparison II: unveiling the Vainshtein screening using weak lensing
Enrique Paillas, Marius Cautun, Baojiu Li +4
We study cosmic voids in the normal-branch Dvali-Gabadadze-Porrati (nDGP) braneworld models, which are representative of a class of modified gravity theories where deviations from…