Angular 21 cm power spectrum of a scaling distribution of cosmic string wakes

2011/04/30 by Oscar F. Hernandez, Oscar F Hernández, Yi Wang +3 · 2 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Background radiation #COSMIC cancer database #Cosmic background radiation #Cosmic string #Cosmology and Gravitation Theories #Distribution (mathematics) #Radio Astronomy Observations and Technology #Redshift #Scaling #Spectral density #String (physics) #astro-ph.CO #gr-qc #hep-th

paper · pdf · doi:10.1088/1475-7516/2011/08/014

published as JCAP08(2011)014 · 13 pages, 6 figures; v2: minor modifications, journal version

arxiv created 2011/08/12 · openalex publication_date 2011/08/16 · arxiv updated 2011/08/17 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Cosmic string wakes lead to a large signal in 21 cm redshift maps at redshifts larger than that corresponding to reionization. Here, we compute the angular power spectrum of 21 cm radiation as predicted by a scaling distribution of cosmic strings whose wakes have undergone shock heating.

Citations

• Cosmology at Low Frequencies: The 21 cm Transition and the High-Redshift Universe
• Scaling of cosmic string loops
• COSMIC STRINGS, LOOPS, AND LINEAR GROWTH OF MATTER PERTURBATIONS
• The Theory and Simulation of the 21‐cm Background from the Epoch of Reionization
• Supersymmetric SO(10) model with inflation and cosmic strings
• Cosmological evolution of cosmic string loops
• A Computational Approach to Edge Detection
• Gravitational field of vacuum domain walls and strings

Cited by

• The 21 cm signature of shock heated and diffuse cosmic string wakes
• Diffusion of massive particles around an Abelian-Higgs string