no code implementations • 4 Nov 2020 • Johannes U. Lange, Alexie Leauthaud, Sukhdeep Singh, Hong Guo, Rongpu Zhou, Tristan L. Smith, Francis-Yan Cyr-Racine
It has been shown that the lensing amplitude of galaxies in the Baryon Oscillation Spectroscopic Survey (BOSS) is lower than expected given their clustering properties.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
1 code implementation • 31 Aug 2018 • Ana Díaz Rivero, Cora Dvorkin, Francis-Yan Cyr-Racine, Jesús Zavala, Mark Vogelsberger
Comparing the amplitude and slope of the power spectrum on scales $0. 1 \lesssim k/$kpc$^{-1} \lesssim 10$ from lenses at different redshifts can help us distinguish between cold dark matter and other exotic dark matter scenarios that alter the abundance and central densities of subhalos.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
no code implementations • 2 Dec 2010 • Francis-Yan Cyr-Racine, Kris Sigurdson
Prior to recombination photons, electrons, and atomic nuclei rapidly scattered and behaved, almost, like a single tightly-coupled photon-baryon plasma.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology