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With polarization of the cosmic microwave background (CMB) now detected, and confirmed by several independent experiments, the next goal is to characterise accurately its statistical properties. In these lecture notes we review the physical…

Astrophysics · Physics 2018-05-02 Anthony Challinor

We describe the subject of Cosmic Microwave Background (CMB) analysis - its past, present and future. The theory of Gaussian primary anisotropies, those arising from linear physics operating in the early Universe, is in reasonably good…

Astrophysics · Physics 2010-05-12 J. Richard Bond , Robert G. Crittenden

The quality of CMB observations has improved dramatically in the last few years, and will continue to do so in the coming decade. Over a wide range of angular scales, the uncertainty due to instrumental noise is now small compared to the…

I present a series of diagrams which illustrate why the cosmic microwave background (CMB) data favor certain values for the cosmological parameters. Various methods to extract these parameters from CMB and non-CMB observations are forming…

Astrophysics · Physics 2007-05-23 Charles H. Lineweaver

Several cosmological measurements have attained significant levels of maturity and accuracy over the last decade. Continuing this trend, future observations promise measurements of the statistics of the cosmic mass distribution at an…

Astrophysics · Physics 2008-11-26 Salman Habib , Katrin Heitmann , David Higdon , Charles Nakhleh , Brian Williams

This is a solicited whitepaper for the Snowmass 2021 community planning exercise. The paper focuses on measurements and science with the Cosmic Microwave Background (CMB). The CMB is foundational to our understanding of modern physics and…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-16 Clarence L. Chang , Kevin M. Huffenberger , Bradford A. Benson , Federico Bianchini , Jens Chluba , Jacques Delabrouille , Raphael Flauger , Shaul Hanany , William C. Jones , Alan J. Kogut , Jeffrey J. McMahon , Joel Meyers , Neelima Sehgal , Sara M. Simon , Caterina Umilta , Kevork N. Abazajian , Zeeshan Ahmed , Yashar Akrami , Adam J. Anderson , Behzad Ansarinejad , Jason Austermann , Carlo Baccigalupi , Denis Barkats , Darcy Barron , Peter S. Barry , Nicholas Battaglia , Eric Baxter , Dominic Beck , Amy N. Bender , Charles Bennett , Benjamin Beringue , Colin Bischoff , Lindsey Bleem , James Bock , Boris Bolliet , J Richard Bond , Julian Borrill , Thejs Brinckmann , Michael L. Brown , Erminia Calabrese , John Carlstrom , Anthony Challinor , Chihway Chang , Yuji Chinone , Susan E. Clark , William Coulton , Ari Cukierman , Francis-Yan Cyr-Racine , Shannon M. Duff , Cora Dvorkin , Alexander van Engelen , Josquin Errard , Johannes R. Eskilt , Thomas Essinger-Hileman , Giulio Fabbian , Chang Feng , Simone Ferraro , Jeffrey Filippini , Katherine Freese , Nicholas Galitzki , Eric Gawiser , Daniel Grin , Daniel Grin , Evan Grohs , Alessandro Gruppuso , Jon E. Gudmundsson , Nils W. Halverson , Jean-Christophe Hamilton , Kathleen Harrington , Sophie Henrot-Versillé , Brandon Hensley , J. Colin Hill , Adam D. Hincks , Renee Hlozek , William Holzapfel , Selim C. Hotinli , Howard Hui , Ayodeji Ibitoye , Matthew Johnson , Bradley R. Johnson , Jae Hwan Kang , Kirit S. Karkare , Lloyd Knox , John Kovac , Kenny Lau , Louis Legrand , Marilena Loverde , Philip Lubin , Yin-Zhe Ma , Tony Mroczkowski , Suvodip Mukherjee , Moritz Münchmeyer , Daisuke Nagai , Johanna Nagy , Michael Niemack , Valentine Novosad , Yuuki Omori , Giorgio Orlando , Zhaodi Pan , Laurence Perotto , Matthew A. Petroff , Levon Pogosian , Clem Pryke , Alexandra Rahlin , Marco Raveri , Christian L. Reichardt , Mathieu Remazeilles , Yoel Rephaeli , John Ruhl , Emmanuel Schaan , Sarah Shandera , Meir Shimon , Ahmed Soliman , Antony A. Stark , Glenn D. Starkman , Radek Stompor , Ritoban Basu Thakur , Cynthia Trendafilova , Matthieu Tristram , Pranjal Trivedi , Gregory Tucker , Eleonora Di Valentino , Joaquin Vieira , Abigail Vieregg , Gensheng Wang , Scott Watson , Lukas Wenzl , Edward J. Wollack , W. L. Kimmy Wu , Zhilei Xu , David Zegeye , Cheng Zhang

The cosmic microwave background (CMB) is a relic radiation of the Big Bang and as such it contains a wealth of cosmological information. Statistical analyses of the CMB, in conjunction with other cosmological observables, represent some of…

The majority of present efforts to constrain cosmological parameters with cosmic microwave background (CMB) anisotropy data employ approximate likelihood functions, the time consuming nature of a complete analysis being a major obstacle. We…

Astrophysics · Physics 2007-05-23 M. Douspis , J. G. Bartlett , A. Blanchard , M. Le Dour

Much recent work on the cosmic microwave background (CMB) has focussed on the angular power spectrum of temperature anisotropies and particularly on the recovery of cosmological parameters from acoustic peaks in the power spectrum. However,…

Astrophysics · Physics 2007-05-23 Marc Kamionkowski

Since the discovery of the Cosmic Microwave Background (CMB) in 1965, characterization of the CMB anisotropy angular power spectrum has become somewhat of a holy grail for experimental cosmology. Because CMB anisotropy measurements are…

Astrophysics · Physics 2017-08-23 A. D. Miller

We are now beginning to learn detailed information about cosmological parameters from the shapes of the matter and radiation power spectra, together with their relative normalization. As more high quality data are gathered from galaxy…

Astrophysics · Physics 2007-05-23 Douglas Scott

We use a high-accuracy computational code to investigate the precision with which cosmological parameters could be reconstructed by future cosmic microwave background (CMB) experiments, in particular the two satellite missions MAP and…

Astrophysics · Physics 2009-10-30 M. Zaldarriaga , D. Spergel , U. Seljak

I present a pedagogical review of inflation and the cosmic microwave background. I describe how a short period of accelerated expansion can replace the special initial conditions of the standard big bang model. I also describe the…

Astrophysics · Physics 2017-08-23 Charles H. Lineweaver

Over the last decade, cosmological observations have attained a level of precision which allows for detailed comparison with theoretical predictions. In this paper, we briefly review some studies of the current and prospected constraints…

Popular Physics · Physics 2007-05-23 Monique Signore , Denis Puy

In addition to its spectrum and temperature anisotropy, the 2.7K Cosmic Microwave Background is also expected to exhibit a low level of polarization. The spatial power spectrum of the polarization can provide details about the formation of…

Astrophysics · Physics 2009-10-30 Brian Keating , Peter Timbie , Alexander Polnarev , Julia Steinberger

Recent high precision measurements of the CMB anisotropies performed by the BOOMERanG and MAXIMA-1 experiments provide an unmatched set of data allowing to probe different cosmological models. Among these scenarios, motivated by the recent…

Astrophysics · Physics 2009-10-31 Philippe Brax , Jerome Martin , Alain Riazuelo

Cosmic microwave background (CMB) temperature anisotropies have and will continue to revolutionize our understanding of cosmology. The recent discovery of the previously predicted acoustic peaks in the power spectrum has established a…

Astrophysics · Physics 2011-07-19 Wayne Hu , Scott Dodelson

Cosmic Microwave Background experiments must achieve very accurate calibration of their polarization reference frame to avoid biasing the cosmological parameters. In particular, a wrong or inaccurate calibration might mimic the presence of…

Achieving a precise understanding of galaxy formation in a cosmological context is one of the great challenges in theoretical astrophysics, due to the vast range of spatial scales involved in the relevant physical processes. Observations in…

The coming flood of CMB polarization experiments, spurred by the recent detection of CMB polarization by DASI and WMAP, will be confronted by many new analysis tasks specific to polarization. For the analysis of CMB polarization data sets,…