Weak lensing of the CMB Export

@article{citeulike:6066968, abstract = {The cosmic microwave background (CMB) represents a unique source for the study of gravitational lensing. It is extended across the entire sky, partially polarized, located at the extreme distance of z=1100, and is thought to have the simple, underlying statistics of a Gaussian random field. Here we review the weak lensing of the CMB, highlighting the aspects which differentiate it from the weak lensing of other sources, such as galaxies. We discuss the statistics of the lensing deflection field which remaps the CMB, and the corresponding effect on the power spectra. We then focus on methods for reconstructing the lensing deflections, describing efficient quadratic maximum-likelihood estimators and delensing. We end by reviewing recent detections and observational prospects.}, archivePrefix = {arXiv}, author = {Hanson, Duncan and Challinor, Anthony and Lewis, Antony}, citeulike-article-id = {6066968}, citeulike-linkout-0 = {http://arxiv.org/abs/0911.0612}, citeulike-linkout-1 = {http://arxiv.org/pdf/0911.0612}, day = {3}, eprint = {0911.0612}, month = {Nov}, posted-at = {2009-11-04 11:09:33}, priority = {2}, title = {Weak lensing of the CMB}, url = {http://arxiv.org/abs/0911.0612}, year = {2009} }

TY - JOUR ID - citeulike:6066968 L3 - citeulike-article-id:6066968 N2 - The cosmic microwave background (CMB) represents a unique source for the study of gravitational lensing. It is extended across the entire sky, partially polarized, located at the extreme distance of z=1100, and is thought to have the simple, underlying statistics of a Gaussian random field. Here we review the weak lensing of the CMB, highlighting the aspects which differentiate it from the weak lensing of other sources, such as galaxies. We discuss the statistics of the lensing deflection field which remaps the CMB, and the corresponding effect on the power spectra. We then focus on methods for reconstructing the lensing deflections, describing efficient quadratic maximum-likelihood estimators and delensing. We end by reviewing recent detections and observational prospects. TI - Weak lensing of the CMB AU - Hanson, Duncan AU - Challinor, Anthony AU - Lewis, Antony PY - 2009/Nov/03/ UR - http://arxiv.org/abs/0911.0612 ER -