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Mapping Mass Across The Sky: CMB Lensing Measurements Past and Future

of gravitational lensing in the Cosmic Microwave Background (CMB)
directly probe the projected distribution of dark matter out to high
redshifts. The CMB lensing maps thus encode a wealth of information about both
fundamental physics (e.g., dark energy and neutrino properties) and
high-redshift astrophysics. I will illustrate this by first reviewing
measurements of CMB lensing with the Atacama Cosmology Telescope, discussing
both CMB lensing auto-correlations and cross-correlations with quasars,
galaxies and optical lensing. I will then discuss ongoing and
upcoming measurements of CMB polarization lensing
with the POLARBEAR and ACTPol experiments and explain the great
scientific potential of such polarization lensing studies in the very near

Event Type: 
Scientific Area(s): 
Event Date: 
Tuesday, October 29, 2013 - 11:00 to 12:30
Space Room
Room #: