Weak Lensing on the CMB: Estimations Based on AP3M Simulations

Details Weak Lensing on the CMB: Estimations Based on AP3M Simulations Weak Lensing on the CMB: Estimations Based on AP3M Simulations

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1018...80i&link_type=abstract

FRONTIERS OF FUNDAMENTAL AND COMPUTATIONAL PHYSICS: 9th International Symposium. AIP Conference Proceedings, Volume 1018, pp. 8

Statistics

Computation

Cosmology, Background Radiations, Gravitational Lenses And Luminous Arcs

Scientific paper

Lensed CMB maps are simulated with the Hydra4.2 code designed by the Hydra Consortium. This code has been modified to move CMB photons -through the simulation box- while the AP3M N-body is running. An appropriate ray-tracing procedure is used to do good weak lensing estimations with negligible periodicity effects (errors due to the periodic character of any universe covered by simulation boxes). The results of this paper improve on previous ones based on PM N-body simulations.

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