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The next generation of Cosmic Microwave Background experiments will produce cosmic variance limited observations over a large fraction of sky and for a large range of multipoles. In this work we discuss different consistency tests that can…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-22 Thibaut Louis , Xavier Garrido , Adam Soussana , Matthieu Tristram , Sophie Henrot-Versillé , Sylvain Vanneste

We have developed a correlation radiometer at 33 GHz devoted to the search for residual polarization of the Cosmic Microwave Background (CMB). The two instruments`s outputs are linear combination of two Stokes Parameters (Q and U or U and…

Astrophysics · Physics 2009-11-07 M. Gervasi , G. Boella , F. Cavaliere , G. Grossetti , A. Passerini , G. Sironi , A. Tartari , M. Zannoni

The delensing of cosmic microwave background (CMB) maps will be increasingly valuable for extracting as much information as possible from future CMB surveys. Delensing provides many general benefits, including sharpening of the acoustic…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-20 Cynthia Trendafilova , Selim C. Hotinli , Joel Meyers

Current large-aperture cosmic microwave background (CMB) telescopes have nearly maximized the number of detectors that can be illuminated while maintaining diffraction-limited image quality. The polarization-sensitive detector arrays being…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 Michael D. Niemack

Cosmic microwave background (CMB) anisotropy may result from both scalar and tensor perturbations. For a sufficiently narrow range of angular scales, CMB perturbations can be characterized by four parameters. Results from the Cosmic…

Astrophysics · Physics 2009-10-22 Scott Dodelson , Lloyd Knox , Edward W. Kolb

The primordial B-modes component of the cosmic microwave background (CMB) polarization is a promising experimental dataset to probe the inflationary paradigm. B-modes are indeed a direct consequence of the presence of gravitational waves in…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-28 Alessandro Manzotti

We forecast the ability of cosmic microwave background (CMB) temperature and polarization datasets to constrain theories of eternal inflation using cosmic bubble collisions. Using the Fisher matrix formalism, we determine both the overall…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-21 Stephen M. Feeney , Franz Elsner , Matthew C. Johnson , Hiranya V. Peiris

In this paper, we study the effects of instrumental systematics on the reconstruction of the deflection angle power spectrum from weak lensing of Cosmic Microwave Background (CMB) temperature and polarization observations. We consider seven…

Cosmology and Nongalactic Astrophysics · Physics 2009-06-30 Meng Su , Amit P. S. Yadav , Matias Zaldarriaga

We develop a method of reconstructing the lensing field from lensed CMB temperature and polarization maps in real space as an alternative to the harmonic space estimators currently in use by extending an existing real space lensing…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-07 Heather Prince , Kavilan Moodley , Jethro Ridl , Martin Bucher

We review the present status of Cosmic Microwave Background (CMB) anisotropy observations and discuss the main related astrophysical issues, instrumental effects and data analysis techniques. We summarise the balloon-borne and ground-based…

Astrophysics · Physics 2007-05-23 M. Bersanelli , D. Maino , A. Mennella

We develop the formalism necessary to study four-point functions of the cosmic microwave background (CMB) temperature and polarization fields. We determine the general form of CMB trispectra, with the constraints imposed by the assumption…

Astrophysics · Physics 2011-05-12 Takemi Okamoto , Wayne Hu

Line-of-sight distortions of the cosmic microwave background (CMB), including gravitational lensing, cosmic birefringence, and patchy screening, encode crucial cosmological information. While quadratic estimators (QE) have been excellent…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-06 Omar Darwish

Following Kamionkowski (2008), a quadratic estimator of the rotation of the plane of polarization of the CMB is constructed. This statistic can estimate a spatially varying rotation angle. We use this estimator to quantify the prospects of…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-03 Amit P. S. Yadav , Rahul Biswas , Meng Su , Matias Zaldarriaga

We forecast the main cosmological parameter constraints achievable with the CORE space mission which is dedicated to mapping the polarisation of the Cosmic Microwave Background (CMB). CORE was recently submitted in response to ESA's fifth…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 Eleonora Di Valentino , Thejs Brinckmann , Martina Gerbino , Vivian Poulin , François R. Bouchet , Julien Lesgourgues , Alessandro Melchiorri , Jens Chluba , Sebastien Clesse , Jacques Delabrouille , Cora Dvorkin , Francesco Forastieri , Silvia Galli , Deanna C. Hooper , Massimiliano Lattanzi , Carlos J. A. P. Martins , Laura Salvati , Giovanni Cabass , Andrea Caputo , Elena Giusarma , Eric Hivon , Paolo Natoli , Luca Pagano , Simone Paradiso , Jose Alberto Rubino-Martin , Ana Achucarro , Peter Ade , Rupert Allison , Frederico Arroja , Marc Ashdown , Mario Ballardini , A. J. Banday , Ranajoy Banerji , Nicola Bartolo , James G. Bartlett , Soumen Basak , Jochem Baselmans , Daniel Baumann , Paolo de Bernardis , Marco Bersanelli , Anna Bonaldi , Matteo Bonato , Julian Borrill , François Boulanger , Martin Bucher , Carlo Burigana , Alessandro Buzzelli , Zhen-Yi Cai , Martino Calvo , Carla Sofia Carvalho , Gabriella Castellano , Anthony Challinor , Ivan Charles , Ivan Colantoni , Alessandro Coppolecchia , Martin Crook , Giuseppe D'Alessandro , Marco De Petris , Gianfranco De Zotti , Josè Maria Diego , Josquin Errard , Stephen Feeney , Raul Fernandez-Cobos , Simone Ferraro , Fabio Finelli , Giancarlo de Gasperis , Ricardo T. Génova-Santos , Joaquin González-Nuevo , Sebastian Grandis , Josh Greenslade , Steffen Hagstotz , Shaul Hanany , Will Handley , Dhiraj K. Hazra , Carlos Hernández-Monteagudo , Carlos Hervias-Caimapo , Matthew Hills , Kimmo Kiiveri , Ted Kisner , Thomas Kitching , Martin Kunz , Hannu Kurki-Suonio , Luca Lamagna , Anthony Lasenby , Antony Lewis , Michele Liguori , Valtteri Lindholm , Marcos Lopez-Caniego , Gemma Luzzi , Bruno Maffei , Sylvain Martin , Enrique Martinez-Gonzalez , Silvia Masi , Darragh McCarthy , Jean-Baptiste Melin , Joseph J. Mohr , Diego Molinari , Alessandro Monfardini , Mattia Negrello , Alessio Notari , Alessandro Paiella , Daniela Paoletti , Guillaume Patanchon , Francesco Piacentini , Michael Piat , Giampaolo Pisano , Linda Polastri , Gianluca Polenta , Agnieszka Pollo , Miguel Quartin , Mathieu Remazeilles , Matthieu Roman , Christophe Ringeval , Andrea Tartari , Maurizio Tomasi , Denis Tramonte , Neil Trappe , Tiziana Trombetti , Carole Tucker , Jussi Väliviita , Rien van de Weygaert , Bartjan Van Tent , Vincent Vennin , Gérard Vermeulen , Patricio Vielva , Nicola Vittorio , Karl Young , Mario Zannoni

I develop a method for assessing the ability of an instrument, coupled with an observing strategy, to measure the angular power spectrum of the cosmic microwave background (CMB). It allows for efficient calculation of expected parameter…

Astrophysics · Physics 2009-10-28 Lloyd Knox

The last years have been an exciting period for the field of the Cosmic Microwave Background (CMB) research. With recent CMB balloon-borne and ground-based experiments we are entering a new era of 'precision' cosmology that enables us to…

Astrophysics · Physics 2007-05-23 Alessandro Melchiorri

We study the constraints that future multifrequency Cosmic Microwave Background (CMB) experiments will be able to set on the metal enrichment history of the Inter Galactic Medium at the epoch of reionisation. We forecast the signal to noise…

Astrophysics · Physics 2008-11-26 Carlos Hernandez-Monteagudo , Licia Verde , Raul Jimenez

The data from Cosmic Microwave Background (CMB) experiments are becoming more complex with each new experiment. A consistent way of analysing these data sets is required so that direct comparison is possible between the various experimental…

Astrophysics · Physics 2007-05-23 A. W. Jones