Marta Monelli

Marta Monelli

Postdoc at Kavli IPMU

Posts by Collection

portfolio

publications

Impact of half-wave plate systematics on the measurement of cosmic birefringence from CMB polarization

Published in JCAP 03 (2023) 034, 2022

Recommended citation: Marta Monelli, Eiichiro Komatsu, Alexandre E. Adler, Matteo Billi, Paolo Campeti, Nadia Dachlythra, Adriaan J. Duivenvoorden, Jon E. Gudmundsson, Martin Reinecke. (2022). "Impact of half-wave plate systematics on the measurement of cosmic birefringence from CMB polarization." Published in JCAP03(2023)034. https://arxiv.org/abs/2211.05685

talks

Impact of half-wave plate systematics on the observed CMB polarization

Published:

Abstract: The use of half-wave plates (HWPs) as a polarization modulators is a promising strategy to mitigate systematics in CMB experiments. However, if not calibrated well enough or correctly accounted for in the analysis, their non-idealities represent an additional source of systematics that can affect the science extracted from the polarization of the CMB. In this talk I will present a simple analytical model that allows to propagate their effects on the observed maps and I will discuss some implications for the measured cosmic birefringence angle and tensor-to-scalar ratio.

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

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Teaching experience 2

Workshop, University 1, Department, 2015

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