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Related papers: Massive Neutrinos Leave Fingerprints on Cosmic Voi…

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Cosmic voids offer an extraordinary opportunity to study the effects of massive neutrinos on cosmological scales. Because they are freely streaming, neutrinos can penetrate the interior of voids more easily than cold dark matter or baryons,…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-10 Nico Schuster , Nico Hamaus , Alice Pisani , Carmelita Carbone , Christina D. Kreisch , Giorgia Pollina , Jochen Weller

Cosmic voids are a promising environment to characterize neutrino-induced effects on the large-scale distribution of matter in the universe. We perform a comprehensive numerical study of the statistical properties of voids, identified both…

Cosmology and Nongalactic Astrophysics · Physics 2015-11-18 Elena Massara , Francisco Villaescusa-Navarro , Matteo Viel , P. M. Sutter

Cosmic voids, the underdense regions in the universe, are particularly sensitive to diffuse density components such as cosmic neutrinos. This sensitivity is enhanced by the match between void sizes and the free-streaming scale of massive…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-04 Gemma Zhang , Zack Li , Jia Liu , David N. Spergel , Christina D. Kreisch , Alice Pisani , Benjamin D. Wandelt

Using cosmological $N$-body simulation which coevolves cold dark matter (CDM) and neutrino particles, we discover the local effect of massive neutrinos on the spatial distribution of CDM halos, reflected on properties of the Delaunay…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-31 Jian Qin , Yu Liang , Cheng Zhao , Hao-Ran Yu , Yu Liu , Tong-Jie Zhang

Cosmic voids are a powerful probe of cosmology and are one of the core observables of upcoming galaxy surveys. The cross-correlations between voids and other large-scale structure tracers such as galaxy clustering and galaxy lensing have…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-16 Pauline Vielzeuf , Matteo Calabrese , Carmelita Carbone , Giulio Fabbian , Carlo Baccigalupi

The presence of massive neutrinos affects the growth of large-scale structure in the universe, leaving a potentially observable imprint on the abundance and properties of massive dark matter-dominated halos. Cosmological surveys detect…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-31 Rahul Biswas , Katrin Heitmann , Salman Habib , Amol Upadhye , Adrian Pope , Nicholas Frontiere

Cosmic voids are progressively emerging as a new viable cosmological probe. Their abundance and density profiles are sensitive to modifications of gravity, as well as to dark energy and neutrinos. The main goal of this work is to…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-21 Sofia Contarini , Federico Marulli , Lauro Moscardini , Alfonso Veropalumbo , Carlo Giocoli , Marco Baldi

Cosmological neutrinos strongly affect the evolution of the largest structures in the Universe, i.e. galaxies and galaxy clusters. We use large box-size full hydrodynamic simulations to investigate the non-linear effects that massive…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-16 Federico Marulli , Carmelita Carbone , Matteo Viel , Lauro Moscardini , Andrea Cimatti

Cosmic voids, the underdense regions in the Universe, are impacted by dark energy and massive neutrinos. In this work, relying on the DEMNUni suite of cosmological simulations, we explore the void size function in cosmologies with both…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-27 Giovanni Verza , Carmelita Carbone , Alice Pisani , Alessandro Renzi

Massive neutrinos suppress the growth of cosmic structure on small, non-linear, scales. It is thus often proposed that using statistics beyond the power spectrum can tighten constraints on the neutrino mass by extracting additional…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-16 Adrian E. Bayer , Arka Banerjee , Uros Seljak

By using a suite of large box-size N-body simulations that incorporate massive neutrinos as an extra set of particles, we investigate the impact of neutrino masses on the spatial distribution of dark matter haloes and galaxies. We compute…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-09 Francisco Villaescusa-Navarro , Federico Marulli , Matteo Viel , Enzo Branchini , Emanuele Castorina , Emiliano Sefusatti , Shun Saito

Cosmic voids, the underdense regions of the Large Scale Structure (LSS), provide cosmological information highly complementary to that obtained from overdense regions. In this work, we investigate the constraining power of the void-shear…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-20 Wenshuo Xu , Cheng Zhao , Chen Su , Huanyuan Shan , Yu Liu

We apply discrete Morse theory, global topology, and persistent homology to characterize the impact of massive neutrinos on the multiscale cosmic web, focusing on filaments. The topology of the cosmic web is sensitive to neutrino imprints,…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-13 Graziano Rossi , Hogyun Yu , Michaël Michaux

In this work we analyse the properties of cosmic voids in standard and coupled dark energy cosmologies. Using large numerical simulations, we investigate the effects produced by the dark energy coupling on three statistics: the filling…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-02 Giorgia Pollina , Marco Baldi , Federico Marulli , Lauro Moscardini

Massive neutrinos suppress the growth of cosmic structure on nonlinear scales, motivating the use of information beyond the power spectrum to tighten constraints on the neutrino mass, for example by considering cosmic voids. It was recently…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-03 Adrian E. Bayer , Jia Liu , Christina D. Kreisch , Alice Pisani

In the Standard Model, neutrinos are massless. However, oscillation experiments demonstrate that they do have a small mass. Currently, only the differences of the masses squared are known, along with an upper bound on their sum. Upcoming…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-20 Farshad Kamalinejad , Zachary Slepian

Recent constrains on the sum of neutrino masses inferred by analyzing cosmological data, show that detecting a non-zero neutrino mass is within reach of forthcoming cosmological surveys, implying a direct determination of the absolute…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-15 Raul Jimenez , Carlos Pena-Garay , Licia Verde

We explore the effects of massive neutrinos on the cosmic web using the FLAMINGO simulations. We classify the cosmic web into voids, sheets, filaments, and clusters, and find that massive neutrinos affect the environment by decreasing the…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-19 Leonor N. L. Simões , Krishna Naidoo , Benjamin Joachimi , Willem Elbers , Carlos S. Frenk

The large-scale structure of the universe can only be observed via luminous tracers of the dark matter. However, the clustering statistics of tracers are biased and depend on various properties, such as their host-halo mass and assembly…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-24 Giorgia Pollina , Nico Hamaus , Klaus Dolag , Jochen Weller , Marco Baldi , Lauro Moscardini

A promising avenue to measure the total, and potentially individual, mass of neutrinos consists of leveraging cosmological datasets, such as the cosmic microwave background and surveys of the large-scale structure of the universe. In order…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-27 Weishuang Linda Xu , Nicholas DePorzio , Julian B. Muñoz , Cora Dvorkin
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