%0 Journal Article
%T Can CMB Lensing Help Cosmic Shear Surveys?
%A Sudeep Das
%A Josquin Errard
%A David Spergel
%J Physics
%D 2013
%I arXiv
%X Yes! Upcoming galaxy shear surveys have the potential to significantly improve our understanding of dark energy and neutrino mass if lensing systematics can be sufficiently controlled. The cross-correlations between the weak lensing shear, galaxy number counts from a galaxy redshift survey, and the CMB lensing convergence can be used to calibrate the shear multiplicative bias, one of the most challenging systematics in lensing surveys. These cross-correlations can significantly reduce the deleterious effects of the uncertainties in multiplicative bias.
%U http://arxiv.org/abs/1311.2338v1