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Bias-Hardened CMB Lensing with Polarization
Toshiya Namikawa, Ryuichi Takahashi
Polarization data will soon provide the best avenue for measurements of the CMB lensing potential, although it is potentially sensitive to several instrumental effects including be…
Constraining cosmic string parameters with curl mode of CMB lensing
Toshiya Namikawa, Daisuke Yamauchi, Atsushi Taruya
We present constraints on a cosmic string network with a measurement of weak gravitational lensing from CMB temperature map. The cosmic string network between observer and last sca…
Full-sky formulae for weak lensing power spectra from total angular momentum method
Daisuke Yamauchi, Toshiya Namikawa, Atsushi Taruya
We systematically derive full-sky formulae for the weak lensing power spectra generated by scalar, vector and tensor perturbations from the total angular momentum (TAM) method. Bas…