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Fast computation of angular power spectra and covariances of high-resolution cosmic microwave background maps using the Toeplitz approximation
Thibaut Louis, Sigurd Naess, Xavier Garrido +1
We present a simple approximation that can speed up the computation of the mode-coupling matrices, which are usually the bottleneck for computing unbiased angular power spectra, as…
Limitations of CMB B-mode template delensing
Antón Baleato Lizancos, Anthony Challinor, Julien Carron
Efforts to detect a primordial -mode of CMB polarization generated by inflationary gravitational waves ought to mitigate the large variance associated with the -modes produce…
CMB-S4: Forecasting Constraints on Primordial Gravitational Waves
S4 Collaboration, Kevork Abazajian, Graeme E. Addison +233
CMB-S4---the next-generation ground-based cosmic microwave background (CMB) experiment---is set to significantly advance the sensitivity of CMB measurements and enhance our underst…
Impact of internal-delensing biases on searches for primordial B-modes of CMB polarisation
Antón Baleato Lizancos, Anthony Challinor, Julien Carron
Searches for the imprint of primordial gravitational waves in degree-scale CMB -mode polarisation data must account for significant contamination from gravitational lensing. For…
Quantifying the statistics of CMB-lensing-derived galaxy cluster mass measurements with simulations
Íñigo Zubeldia, Anthony Challinor
CMB lensing is a promising, novel way to measure galaxy cluster masses that can be used, e.g., for mass calibration in galaxy cluster counts analyses. Understanding the statistics…
Revised estimates of CMB -mode polarization induced by patchy reionization
Anirban Roy, Girish Kulkarni, P. Daniel Meerburg +4
The search for primordial gravitational waves through the -mode polarization pattern in the CMB is one of the major goals of current and future CMB experiments. Besides foregrou…