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Constraints on Patchy Reionization from Planck CMB Temperature Trispectrum
Toshiya Namikawa
We present constraints on the patchy reionization by measuring the trispectrum of the Planck 2015 cosmic microwave background (CMB) temperature anisotropies. The patchy reionizatio…
Geometry and growth contributions to cosmic shear observables
José Manuel Zorrilla Matilla, Zoltán Haiman, Andrea Petri +1
We explore the sensitivity of weak lensing observables to the expansion history of the universe and to the growth of cosmic structures, as well as the relative contribution of both…
Full-sky Gravitational Lensing Simulation for Large-area Galaxy Surveys and Cosmic Microwave Background Experiments
Ryuichi Takahashi, Takashi Hamana, Masato Shirasaki +4
We present 108 full-sky gravitational lensing simulation data sets generated by performing multiple-lens plane ray-tracing through high-resolution cosmological -body simulations…
CMB internal delensing with general optimal estimator for higher-order correlations
Toshiya Namikawa
We present a new method for delensing modes of the cosmic microwave background (CMB) using a lensing potential reconstructed from the same realization of the CMB polarization (…