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The cosmic microwave background temperature bispectrum from scalar perturbations induced by primordial magnetic fields
We evaluate the angular bispectrum of the CMB temperature anisotropy at large angular scale due to a stochastic background of primordial magnetic fields. The shape of non-Gaussianity depends on the spectral index of the magnetic field power spectrum and is peaked in the squeezed configuration for a...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2009
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2009/06/021 http://cds.cern.ch/record/1165889 |