Browsing Open Access Repositories by Author "Hall, A"
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Emission-angle and polarization-rotation effects in the lensed CMB
Lewis, A; Hall, A; Challinor, Anthony DavidLensing 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 ...