Browsing by Author "Hall, A"

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  • Emission-angle and polarization-rotation effects in the lensed CMB 

    Lewis, A; Hall, A; Challinor, Anthony David
    Lensing of the CMB is an important effect, and is usually modelled by remapping the unlensed CMB fields by a lensing deflection. However the lensing deflections also change the photon path so that the emission angle is no ...