CMBR polarisation; gravitational lensing; Inflation and CMBR theory; Astronomy and Astrophysics
Abstract :
[en] We explore the capability of measuring lensing signals in LiteBIRD full-sky polarization maps. With a 30 arcmin beam width and an impressively low polarization noise of 2.16 ìK-arcmin, LiteBIRD will be able to measure the full-sky polarization of the cosmic microwave background (CMB) very precisely. This unique sensitivity also enables the reconstruction of a nearly full-sky lensing map using only polarization data, even considering its limited capability to capture small-scale CMB anisotropies. In this paper, we investigate the ability to construct a full-sky lensing measurement in the presence of Galactic foregrounds, finding that several possible biases from Galactic foregrounds should be negligible after component separation by harmonic-space internal linear combination. We find that the signal-to-noise ratio of the lensing is approximately 40 using only polarization data measured over 80% of the sky. This achievement is comparable to Planck's recent lensing measurement with both temperature and polarization and represents a four-fold improvement over Planck's polarization-only lensing measurement. The LiteBIRD lensing map will complement the Planck lensing map and provide several opportunities for cross-correlation science, especially in the northern hemisphere.
Research Center/Unit :
STAR - Space sciences, Technologies and Astrophysics Research - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Lonappan, A.I. ; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy ; INFN Sezione di Roma2, Università di Roma Tor Vergata, Roma, Italy ; International School for Advanced Studies (SISSA), Trieste, Italy
Namikawa, T.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan
Piccirilli, G.; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy ; INFN Sezione di Roma2, Università di Roma Tor Vergata, Roma, Italy
Diego-Palazuelos, P.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain ; Dpto. de Física Moderna, Universidad de Cantabria, Santander, Spain
Ruiz-Granda, M.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain ; Dpto. de Física Moderna, Universidad de Cantabria, Santander, Spain
Migliaccio, M.; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy ; INFN Sezione di Roma2, Università di Roma Tor Vergata, Roma, Italy
Baccigalupi, C.; International School for Advanced Studies (SISSA), Trieste, Italy ; INFN Sezione di Trieste, Trieste, Italy ; IFPU, Grignano, Italy
Bartolo, N.; Dipartimento di Fisica e Astronomia "G. Galilei", Università degli Studi di Padova, Padova, Italy ; INFN Sezione di Padova, Padova, Italy ; INAF, Osservatorio Astronomico di Padova, Padova, Italy
Beck, D.; Stanford University, Department of Physics, United States
Benabed, K.; Institut d'Astrophysique de Paris, CNRS, Sorbonne Université, Paris, France
Challinor, A.; DAMTP, Centre for Mathematical Sciences, Cambridge, United Kingdom ; Institute of Astronomy, Cambridge, United Kingdom ; Kavli Institute for Cosmology Cambridge, Cambridge, United Kingdom
Errard, J.; Université de Paris, CNRS, Astroparticule et Cosmologie, Paris, France
Farrens, S.; AIM, CEA, CNRS, Université Paris-Saclay, Université de Paris, Gif-sur-Yvette, France
Krachmalnicoff, N.; International School for Advanced Studies (SISSA), Trieste, Italy ; INFN Sezione di Trieste, Trieste, Italy ; IFPU, Grignano, Italy
Martínez-González, E.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain
Pettorino, V.; AIM, CEA, CNRS, Université Paris-Saclay, Université de Paris, Gif-sur-Yvette, France
Sherwin, B.; DAMTP, Centre for Mathematical Sciences, Cambridge, United Kingdom ; Kavli Institute for Cosmology Cambridge, Cambridge, United Kingdom ; Lawrence Berkeley National Laboratory (LBNL), Physics Division, Berkeley, United States
Starck, J.; AIM, CEA, CNRS, Université Paris-Saclay, Université de Paris, Gif-sur-Yvette, France
Vielva, P.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain
Akizawa, R.; The University of Tokyo, Department of Physics, Tokyo, Japan
Anand, A.; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy
Aumont, J.; IRAP, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France
Aurlien, R.; Institute of Theoretical Astrophysics, University of Oslo, Blindern, Norway
Azzoni, S.; Department of Astrophysical Sciences, Princeton University, Princeton, United States
Ballardini, M.; INAF - OAS Bologna, Bologna, Italy ; Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Ferrara, Italy ; INFN Sezione di Ferrara, Ferrara, Italy
Banday, A.J.; IRAP, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France
Barreiro, R.B.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain
Bersanelli, M.; Dipartimento di Fisica, Universita' degli Studi di Milano, Milano, Italy ; INFN Sezione di Milano, Milano, Italy
Blinov, D.; Institute of Astrophysics, Foundation for Research and Technology-Hellas, Heraklion, Greece ; Department of Physics and ITCP, University of Crete, Heraklion, Greece
Bortolami, M.; Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Ferrara, Italy ; INFN Sezione di Ferrara, Ferrara, Italy
Brinckmann, T.; Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Ferrara, Italy
Calabrese, E.; School of Physics and Astronomy, Cardiff University, Cardiff, United Kingdom
Campeti, P.; Max Planck Institute for Astrophysics, Garching, Germany ; Excellence Cluster ORIGINS, Garching, Germany
Carones, A.; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy ; INFN Sezione di Roma2, Università di Roma Tor Vergata, Roma, Italy
Carralot, F.; International School for Advanced Studies (SISSA), Trieste, Italy
Casas, F.J.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain
Cheung, K.; Jodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, United Kingdom ; University of California, Berkeley, Department of Physics, Berkeley, United States ; University of California, Berkeley, Space Sciences Laboratory, Berkeley, United States ; Lawrence Berkeley National Laboratory (LBNL), Computational Cosmology Center, Berkeley, United States
Clermont, Lionel ; Université de Liège - ULiège > Centres généraux > CSL (Centre Spatial de Liège)
Columbro, F.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Conenna, G.; University of Milano Bicocca, Physics Department, Milan, Italy
Coppolecchia, A.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Cuttaia, F.; INAF - OAS Bologna, Bologna, Italy
D'Alessandro, G.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
de Bernardis, P.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
De Petris, M.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Della Torre, S.; INFN Sezione Milano Bicocca, Milano, Italy
Di Giorgi, E.; INFN Sezione di Pisa, Pisa, Italy
Eriksen, H.K.; Institute of Theoretical Astrophysics, University of Oslo, Blindern, Norway
Franceschet, C.; Dipartimento di Fisica, Universita' degli Studi di Milano, Milano, Italy ; INFN Sezione di Milano, Milano, Italy
Fuskeland, U.; Institute of Theoretical Astrophysics, University of Oslo, Blindern, Norway
Galloni, G.; Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy
Galloway, M.; Institute of Theoretical Astrophysics, University of Oslo, Blindern, Norway
Georges, Marc ; Université de Liège - ULiège > Centres généraux > CSL (Centre Spatial de Liège)
Gerbino, M.; INFN Sezione di Ferrara, Ferrara, Italy
Gervasi, M.; University of Milano Bicocca, Physics Department, Milan, Italy ; INFN Sezione Milano Bicocca, Milano, Italy
Génova-Santos, R.T.; Instituto de Astrofísica de Canarias, La Laguna, Spain ; Departamento de Astrofísica, Universidad de La Laguna (ULL), La Laguna, Spain
Ghigna, T.; International Center for Quantum-field Measurement Systems for Studies of the Universe and Particles (QUP), High Energy Accelerator Research Organization (KEK), Tsukuba, Japan
Giardiello, S.; School of Physics and Astronomy, Cardiff University, Cardiff, United Kingdom
Gimeno-Amo, C.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain
Gjerløw, E.; Institute of Theoretical Astrophysics, University of Oslo, Blindern, Norway
Hazumi, M.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan ; International Center for Quantum-field Measurement Systems for Studies of the Universe and Particles (QUP), High Energy Accelerator Research Organization (KEK), Tsukuba, Japan ; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba, Japan ; Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Science (ISAS), Sagamihara, Japan ; The Graduate University for Advanced Studies (SOKENDAI), Kanagawa, Japan
Henrot-Versillé, S.; Université Paris-Saclay, CNRS, IN2P3, IJCLab, Orsay, France
Hergt, L.T.; Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada
Hivon, E.; Institut d'Astrophysique de Paris, CNRS, Sorbonne Université, Paris, France
Kohri, K.; Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba, Japan
Komatsu, E.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan ; Max Planck Institute for Astrophysics, Garching, Germany
Lamagna, L.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Lattanzi, M.; INFN Sezione di Ferrara, Ferrara, Italy
Leloup, C.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan
Lembo, M.; Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Ferrara, Italy
López-Caniego, M.; Aurora Technology for the European Space Agency, Madrid, Spain ; Universidad Europea de Madrid, Madrid, Spain
Luzzi, G.; Space Science Data Center, Italian Space Agency, Roma, Italy
Macias-Perez, J.; Université Grenoble Alpes, CNRS, LPSC-IN2P3, Grenoble, France
Maffei, B.; Université Paris-Saclay, CNRS, Institut d'Astrophysique Spatiale, Orsay, France
Masi, S.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Massa, M.; INFN Sezione di Pisa, Pisa, Italy
Matarrese, S.; Dipartimento di Fisica e Astronomia "G. Galilei", Università degli Studi di Padova, Padova, Italy ; INFN Sezione di Padova, Padova, Italy ; INAF, Osservatorio Astronomico di Padova, Padova, Italy ; Gran Sasso Science Institute (GSSI), L'Aquila, Italy
Matsumura, T.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan
Micheli, S.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy
Moggi, A.; INFN Sezione di Pisa, Pisa, Italy
Monelli, M.; Max Planck Institute for Astrophysics, Garching, Germany
Montier, L.; IRAP, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France
Morgante, G.; INAF - OAS Bologna, Bologna, Italy
Mot, B.; IRAP, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France
Mousset, L.; IRAP, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France ; Laboratoire de Physique de l'École Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université de Paris, Paris, France
Nagata, R.; Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Science (ISAS), Sagamihara, Japan
Natoli, P.; Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Ferrara, Italy ; INFN Sezione di Ferrara, Ferrara, Italy
Novelli, A.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy
Obata, I.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan
Occhiuzzi, A.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy
Pagano, L.; Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Ferrara, Italy ; INFN Sezione di Ferrara, Ferrara, Italy ; Université Paris-Saclay, CNRS, Institut d'Astrophysique Spatiale, Orsay, France
Paiella, A.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Pascual-Cisneros, G.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain
Pavlidou, V.; Institute of Astrophysics, Foundation for Research and Technology-Hellas, Heraklion, Greece ; Department of Physics and ITCP, University of Crete, Heraklion, Greece
Piacentini, F.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy ; INFN Sezione di Roma, Roma, Italy
Pinchera, M.; INFN Sezione di Pisa, Pisa, Italy
Pisano, G.; Dipartimento di Fisica, Università La Sapienza, Roma, Italy
Polenta, G.; Space Science Data Center, Italian Space Agency, Roma, Italy
Puglisi, G.; Dipartimento di Fisica e Astronomia, Università degli Studi di Catania, Catania, Italy ; INAF, Osservatorio Astrofisico di Catania, Catania, Italy ; INFN, Sezione di Catania, Catania, Italy
Remazeilles, M.; Instituto de Fisica de Cantabria (IFCA, CSIC-UC), Santander, Spain ; Jodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, United Kingdom
Ritacco, A.; Laboratoire de Physique de l'École Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université de Paris, Paris, France ; INAF, Osservatorio Astronomico di Cagliari, Selargius, Italy
Rizzieri, A.; Université de Paris, CNRS, Astroparticule et Cosmologie, Paris, France
Sakurai, Y.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan ; Okayama University, Department of Physics, Okayama, Japan
Scott, D.; Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada
Shiraishi, M.; Suwa University of Science, Chino, Japan
Signorelli, G.; INFN Sezione di Pisa, Pisa, Italy
Stever, S.L.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan ; Okayama University, Department of Physics, Okayama, Japan
Takase, Y.; Okayama University, Department of Physics, Okayama, Japan
Tanimura, H.; Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Chiba, Japan
Tartari, A.; INFN Sezione di Pisa, Pisa, Italy ; Dipartimento di Fisica, Università di Pisa, Pisa, Italy
Tassis, K.; Institute of Astrophysics, Foundation for Research and Technology-Hellas, Heraklion, Greece ; Department of Physics and ITCP, University of Crete, Heraklion, Greece
Terenzi, L.; INAF - OAS Bologna, Bologna, Italy
Tristram, M.; Université Paris-Saclay, CNRS, IN2P3, IJCLab, Orsay, France
Vacher, L.; International School for Advanced Studies (SISSA), Trieste, Italy
van Tent, B.; Université Paris-Saclay, CNRS, IN2P3, IJCLab, Orsay, France
Wehus, I.K.; Institute of Theoretical Astrophysics, University of Oslo, Blindern, Norway
Weymann-Despres, G.; Université Paris-Saclay, CNRS, IN2P3, IJCLab, Orsay, France
Zannoni, M.; University of Milano Bicocca, Physics Department, Milan, Italy ; INFN Sezione Milano Bicocca, Milano, Italy
Zhou, Y.; International Center for Quantum-field Measurement Systems for Studies of the Universe and Particles (QUP), High Energy Accelerator Research Organization (KEK), Tsukuba, Japan
This work is supported in Japan by ISAS/JAXA for Pre-Phase A2 studies, by the acceleration program of JAXA research and development directorate, by the World Premier International Research Center Initiative (WPI) of MEXT, by the JSPS Core-to-Core Program of A. Advanced Research Networks, and by JSPS KAKENHI Grant Numbers JP15H05891, JP17H01115, and JP17H01125. The Canadian contribution is supported by the Canadian Space Agency. The French LiteBIRD phase A contribution is supported by the Centre National d'Etudes Spatiale (CNES), by the Centre National de la Recherche Scientifique (CNRS), and by the Commissariat \u00E0 l'Energie Atomique (CEA). The German participation in LiteBIRD is supported in part by the Excellence Cluster ORIGINS, which is funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy (Grant No. EXC-2094-390783311). The Italian LiteBIRD phase A contribution is supported by the Italian Space Agency (ASI Grants No. 2020-9-HH.0 and 2016-24-H.1-2018), the National Institute for Nuclear Physics (INFN) and the National Institute for Astrophysics (INAF). Norwegian participation in LiteBIRD is supported by the Research Council of Norway (Grant No. 263011) and has received funding from the European Research Council (ERC) under the Horizon 2020 Research and Innovation Programme (Grant agreement No. 772253 and 819478). The Spanish LiteBIRD phase A contribution is supported by the Spanish Agencia Estatal de Investigaci\u00F3n (AEI), project refs. PID2019-110610RB-C21, PID2020-120514GB-I00, ProID2020010108 and ICTP20210008. Funds that support contributions from Sweden come from the Swedish National Space Agency (SNSA/Rymdstyrelsen) and the Swedish Research Council (Reg. no. 2019-03959). The US contribution is supported by NASA grant no. 80NSSC18K0132. We also acknowledge the support from H2020-MSCA-RISE- 2020 European grant (Marie Sklodowska-Curie Research and Innovation Staff Exchange), JSPS KAKENHI Grant No. JP20H05859 and No. JP22K03682. This research used resources of the National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy Office of Science User Facility located at Lawrence Berkeley National Laboratory.
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