Search Results for author: Stefano Anselmi

Found 2 papers, 1 papers with code

On the question of measuring spatial curvature in an inhomogeneous universe

no code implementations14 Oct 2020 Chi Tian, Stefano Anselmi, Matthew F. Carney, John T. Giblin Jr, James Mertens, Glenn Starkman

The curvature of a spacetime, either in a topological sense, or averaged over super-horizon-sized patches, is often equated with the global curvature term that appears in Friedmann's equation.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology

Improving fast generation of halo catalogs with higher-order Lagrangian perturbation theory

1 code implementation16 May 2016 Emiliano Munari, Pierluigi Monaco, Emiliano Sefusatti, Emanuele Castorina, Faizan G. Mohammad, Stefano Anselmi, Stefano Borgani

In Fourier space and using 3LPT for halo displacements, the halo power spectrum is recovered to within 10 per cent up to $k_{max}\sim0. 5\ h/$Mpc.

Cosmology and Nongalactic Astrophysics

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