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The cosmic microwave background bispectrum from the non-linear evolution of the cosmological perturbations
2010
Journal of Cosmology and Astroparticle Physics
This article presents the first computation of the complete bispectrum of the cosmic microwave background temperature anisotropies arising from the evolution of all cosmic fluids up to second order, including neutrinos. Gravitational couplings, electron density fluctuations and the second order Boltzmann equation are fully taken into account. Comparison to limiting cases that appeared previously in the literature are provided. These are regimes for which analytical insights can be given. The
doi:10.1088/1475-7516/2010/07/003
fatcat:7z3ccyyxofh7nmdmvelwpnfrh4