English
Related papers

Related papers: Broadband Fizeau Interferometers for Astrophysics

200 papers

The recently detected polarization of the cosmic microwave background (CMB) holds the potential for revealing the physics of inflation and gravitationally mapping the large-scale structure of the universe, if so called B-mode signals below…

Astrophysics · Physics 2011-05-12 Wayne Hu , Matthew M. Hedman , Matias Zaldarriaga

Detection of B-mode polarization of the cosmic microwave background (CMB) radiation is one of the frontiers of observational cosmology. Because they are an order of magnitude fainter than E-modes, it is quite a challenge to detect B-modes.…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-23 Ata Karakci , P. M. Sutter , Le Zhang , Emory F. Bunn , Andrei Korotkov , Peter Timbie , Gregory S. Tucker , Benjamin D. Wandelt

The curl (B) modes of cosmic microwave background (CMB) polarization anisotropies are a unique probe of the primordial background of inflationary gravitational waves (IGWs). Unfortunately, the B-mode polarization anisotropies generated by…

Astrophysics · Physics 2007-05-23 Kris Sigurdson , Asantha Cooray

Observations of the temperature anisotropy of the Cosmic Microwave Background (CMB) lend support to an inflationary origin of the universe, yet no direct evidence verifying inflation exists. Many current experiments are focussing on the…

The curl-modes of Cosmic Microwave Background (CMB) polarization probe horizon-scale primordial gravitational waves related to inflation. A significant source of confusion is expected from a lensing conversion of polarization related to…

Astrophysics · Physics 2009-11-10 Asantha Cooray

A detection of excess cosmic microwave background (CMB) B-mode polarization on large scales allows the possibility of measuring not only the amplitude of these fluctuations but also their scale dependence, which can be parametrized as the…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Gabrielle Simard , Duncan Hanson , Gil Holder

Observations of the polarization of the cosmic microwave backround (CMB) have the potential to place much tighter constraints on cosmological parameters than observations of the fluctuations in temperature alone. We discuss using CMB…

Astrophysics · Physics 2009-10-30 William H. Kinney

The Q&U Bolometric Interferometer for Cosmology (QUBIC) is the first bolometric interferometer designed to measure the primordial B-mode polarization of the Cosmic Microwave Background (CMB). Bolometric interferometry is a novel technique…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-07 A. Mennella , P. Ade , A. Almela , G. Amico , L. H. Arnaldi , J. Aumont , S. Banfi , E. S. Battistelli , B. Bélier , L. Bergé , J. -Ph. Bernard , P. de Bernardis , M. Bersanelli , J. Bonaparte , J. D. Bonilla , E. Bunn , D. Buzi , F. Cacciotti , D. Camilieri , F. Cavaliere , P. Chanial , C. Chapron , L. Colombo , F. Columbro , A. Coppolecchia , M. B. Costanza , G. D'Alessandro , G. De Gasperis , M. De Leo , M. De Petris , N. Del Castillo , S. Dheilly , A. Etchegoyen , S. Ferazzoli , L. P. Ferreyro , C. Franceschet , M. M. Gamboa Lerena , K. Ganga , B. García , M. E. García Redondo , D. Gayer , J. M. Geria , M. Gervasi , M. Giard , V. Gilles , M. Gómez Berisso , M. Gonzalez , M. Gradziel , L. Grandsire , J. -Ch. Hamilton , M. R. Hampel , G. Isopi , J. Kaplan , L. Lamagna , F. Lazarte , S. Loucatos , B. Maffei , A. Mancilla , S. Mandelli , E. Manzan , E. Marchitelli , S. Marnieros , W. Marty , S. Masi , A. May , J. Maya , M. McCulloch , L. Mele , D. Melo , N. Mirón-Granese , L. Montier , L. Mousset , N. Müller , F. Nati , C. O'Sullivan , A. Paiella , F. Pajot , S. Paradiso , E. Pascale , A. Passerini , A. Pelosi , M. Perciballi , F. Pezzotta , F. Piacentini , M. Piat , L. Piccirillo , G. Pisano , M. Platino , G. Polenta , D. Prêle , D. Rambaud , G. Ramos , E. Rasztocky , M. Régnier , C. Reyes , F. Rodríguez , C. A. Rodríguez , G. E. Romero , J. M. Salum , A. Schillaci , C. Scóccola , G. Stankowiak , A. Tartari , J. -P. Thermeau , P. Timbie , M. Tomasi , S. Torchinsky , G. Tucker , C. Tucker , L. Vacher , F. Voisin , M. Wright , M. Zannoni , A. Zullo

We have simulated the interferometric observation of the Cosmic Microwave Background (CMB) temperature and polarization fluctuations. We have constructed data pipelines from the time-ordered raw visibility samples to the CMB power spectra…

Astrophysics · Physics 2009-11-07 Chan-Gyung Park , Kin-Wang Ng , Changbom Park , Guo-Chin Liu , Keiichi Umetsu

Precise measurements of the cosmic microwave background (CMB) are crucial in cosmology, because any proposed model of the universe must account for the features of this radiation. Of all CMB measurements that the scientific community has…

Instrumentation and Methods for Astrophysics · Physics 2013-07-08 Claudia Nones , Stefanos Marnieros , Alain Benoit , Laurent Bergé , Aurelien Bideau , Philippe Camus , Louis Dumoulin , Alessandro Monfardini , Olivier Rigaut

The detection of the primordial $B$-mode spectrum of the polarized cosmic microwave background (CMB) signal may provide a probe of inflation. However, observation of such a faint signal requires excellent control of systematic errors.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Ata Karakci , Le Zhang , P. M. Sutter , Emory F. Bunn , Andrei Korotkov , Peter Timbie , Gregory S. Tucker , Benjamin D. Wandelt

Recent measurements of the temperature field of Cosmic Microwave Background (CMB) provide tantalising evidence for violation of Statistical Isotropy (SI) that constitutes a fundamental tenet of contemporary cosmology. CMB space based…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-08 Suvodip Mukherjee , Tarun Souradeep

Measuring the B modes of the CMB polarization fluctuations would provide very strong constraints on inflation. The main challenge in this measurement is the treatment of systematic effects. CMB observations with imagers and interferometers,…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Jean Kaplan

We discuss several opportunities involving cosmic microwave background (CMB) observations during the post-MAP era. The curl-modes of CMB polarization allow a direct detection of inflationary gravitational waves and a measurement of the…

Astrophysics · Physics 2007-05-23 Asantha Cooray

Cosmic microwave background (CMB) polarization observations will require superb control of systematic errors in order to achieve their full scientific potential, particularly in the case of attempts to detect the B modes that may provide a…

Astrophysics · Physics 2008-11-26 Emory F. Bunn

Forthcoming cosmic microwave background experiments (CMB) will provide precise new tests of structure-formation theories. The geometry of the Universe may be determined robustly, and the classical cosmological parameters, such as the…

Astrophysics · Physics 2007-05-23 Marc Kamionkowski

One of the major challenges of modern cosmology is the detection of B-mode polarization anisotropies in the CMB. These originate from tensor fluctuations of the metric produced during the inflationary phase. Their detection would therefore…

The cosmic microwave background (CMB) temperature and polarization anisotropies, as observed by independent astronomical missions such as WMAP, Planck, and most recently the Atacama Cosmology Telescope and the South Pole Telescope have…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-13 William Giarè , Supriya Pan , Eleonora Di Valentino , Weiqiang Yang , Jaume de Haro , Alessandro Melchiorri

In the quest for the faint primordial B-mode polarization of the Cosmic Microwave Background, three are the key requirements for any present or future experiment: an utmost sensitivity, excellent control over instrumental systematic effects…

‹ Prev 1 2 3 10 Next ›