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Lensing Simulation and Power Spectrum Estimation for High Resolution CMB Polarization Maps

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arxiv 1306.6692 v1 pith:HBTDSQ3E submitted 2013-06-28 astro-ph.CO

Lensing Simulation and Power Spectrum Estimation for High Resolution CMB Polarization Maps

classification astro-ph.CO
keywords polarizationlensingmapspowersimulationspectrumalgorithmalgorithms
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present efficient algorithms for CMB lensing simulation and power spectrum es- timation for flat-sky CMB polarization maps. We build a pure B-mode estimator to remedy E to B leakage due to partial sky coverage. We show that our estimators are unbiased, and consistent with the projected errors. We demonstrate our algorithm using simulated observations of small sky patches with realistic noise and weights for upcoming CMB polarization experiments.

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