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SÉMINAIRE DU GRECO
"Second-order Boltzmann code and the CMB bispectrum from recombination" |
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Zhiqi Huang |
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I will introduce CosmoLib2nd, a numerical Boltzmann code at second-order to compute CMB bispectra on the full sky. We compute the cosmic microwave background temperature bispectrum generated by nonlinearities at recombination on all scales. For cosmic-variance limited data to lmax = 2000, its signal-to-noise is S/N=0.47 and will bias a local signal by (fNL)loc~ 0.82. |
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lundi 4 février 2013 - 11:00 Salle des séminaires François Arago, Institut d'Astrophysique de Paris |
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