CMB anisotropy: Inflation - iucaa
CMB anisotropy: Inflation - iucaa
CMB anisotropy: Inflation - iucaa
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Thompson scattering of the<strong>CMB</strong> <strong>anisotropy</strong> quadrupole atthe surface of last scatteringgenerates a linear polarizationpattern in the <strong>CMB</strong>.Three additional Power spectra : thetwo polarization modes and the crosscorrelation with temperature<strong>anisotropy</strong>.(Fig:Hu & White , 97)Initial metric perturbation mix correspondence :• Scalar perturbations predominantly generate the Electric (E) polarization mode.• Vector perturbations predominantly generate the magnetic (B) polarization mode .• Tensor perturbations generate the both modes in comparable amounts .• Temperature <strong>anisotropy</strong> Cross-correlation only with the E-mode.
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