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The scattering of temperature anisotropy quadrupole by free electrons in galaxy clusters leads to a now well-known polarization signal in the cosmic microwave background (CMB) fluctuations. Using multi-frequency polarization data, one can…

Astrophysics · Physics 2009-11-07 Asantha Cooray , Daniel Baumann

The cross-correlation between cosmic microwave background (CMB) temperature anisotropies and the large scale structure (LSS) traced by the galaxy distribution, or sources at different wavelengths, is now well known. This correlation results…

Astrophysics · Physics 2009-11-13 Asantha Cooray , Alessandro Melchiorri

The scattering of cosmic microwave background (CMB) radiation in galaxy clusters induces polarization signals according to the quadrupole anisotropy in the photon distribution at the cluster location. This `remote quadrupole' derived from…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-23 Kiyotomo Ichiki , Kento Sumiya , Guo-Chin Liu

The integrated Sachs-Wolfe (ISW) effect in the cosmic microwave background (CMB) as measured through its correlation with galaxies provides a unique opportunity to study the dynamics of the dark energy through its large scale clustering…

Astrophysics · Physics 2011-05-12 Wayne Hu , Ryan Scranton

Secondary anisotropies of the cosmic microwave background (CMB) can be detected by using the cross-correlation between the large-scale structure (LSS) and the CMB temperature fluctuations. In such studies, chance correlations of primordial…

Astrophysics · Physics 2009-02-26 Mona Frommert , Torsten A. Ensslin

Integrated Sachs-Wolfe (ISW) effect can be estimated by cross-correlating Cosmic Microwave Background (CMB) sky with tracers of the local matter distribution. At late cosmic time, the dark energy induced decay of gravitation potential…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-21 Guo-Chin Liu , Kin-Wang Ng , Ue-Li Pen

Evidences for late-time acceleration of the Universe are provided by multiple probes, such as Type Ia supernovae, the cosmic microwave background (CMB) and large-scale structure (LSS). In this work, we focus on the integrated Sachs--Wolfe…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-27 E. Moura Santos , F. C. Carvalho , M. Penna-Lima , C. P. Novaes , C. A. Wuensche

We analyse the feasibility of detecting the polarization of the CMB caused by scattering of the remote temperature quadrupole by galaxy clusters with forthcoming CMB polarization surveys. For low-redshift clusters, the signal is strongly…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-24 Alex Hall , Anthony Challinor

Scattering of cosmic microwave background (CMB) radiation in galaxy clusters induces polarization signals determined by the quadrupole anisotropy in the photon distribution at the location of clusters. This "remote quadrupole" derived from…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-13 Guo-Chin Liu , Kiyotomo Ichiki , Hiroyuki Tashiro , Naoshi Sugiyama

Electron scattering induces a polarization in the cosmic microwave background (CMB) signal measured in the direction of a galaxy cluster due to the presence of a quadrupole component in the CMB temperature distribution. Measuring the…

Astrophysics · Physics 2009-10-31 S. Y. Sazonov , R. A. Sunyaev

In this work we present a method to extract the signal induced by the integrated Sachs-Wolfe (ISW) effect in the cosmic microwave background (CMB). It makes use of the Linear Covariance-Based filter introduced by Barreiro et al., and…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-09 L. Bonavera , R. B. Barreiro , A. Marcos-Caballero , P. Vielva

On large scales, the anisotropies in the cosmic microwave background (CMB) reflect not only the primordial field but also the energy gain when photons traverse decaying gravitational potentials of large scales structure, the Integrated…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-31 A. Manzotti , S. Dodelson

We describe a method using the integrated Sachs-Wolfe (ISW) effect caused by individual inhomogeneities to determine the cosmological parameters, $H_0$, $\Omega_{\rm m}$, and $\Omega_\Lambda$, etc. This ISW-redshift test requires detailed…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Ronald Kantowski , Bin Chen , Xinyu Dai

The cosmic microwave background (CMB) is sensitive to the recent phase of accelerated cosmic expansion through the late-time integrated Sachs-Wolfe (ISW) effect, which manifests as secondary temperature fluctuations on large angular scales.…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-31 Simon Foreman , P. Daniel Meerburg , Joel Meyers , Alexander van Engelen

The Cosmic Microwave Background (CMB) physics can be used to constrain the dark energy dynamics: B modes of the polarization of the diffuse CMB emission as well as the polarized signal towards clusters of galaxies are sensitive to the…

Astrophysics · Physics 2007-05-23 Paola Andreani , Carlo Baccigalupi

The tomography of the polarized Sunyaev-Zeldvich effect due to free electrons of galaxy clusters can be used to constrain the nature of dark energy because CMB quadrupoles at different redshifts as the polarization source are sensitive to…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-24 Hiroto Kondo , Kiyotomo Ichiki , Hiroyuki Tashiro , Kenji Hasegawa

In this study, we are going to discuss the accelerated expansion of the universe and how this accelerated expansion affects the paths of photons from cosmic microwave background radiation (CMB). Then we will see how wide-field galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-02 Syed Faisal ur Rahman , M. Jawed Iqbal

We discuss the correlation between late-time integrated Sachs-Wolfe (ISW) effect in the cosmic microwave background (CMB) temperature anisotropies and the large scale structure of the local universe. This correlation has been proposed and…

Astrophysics · Physics 2009-11-07 Asantha Cooray

We study the nonlinear effects of minimally coupled, massless, cosmological scalar fields on the cosmic microwave background (CMB). These fields can exhibit post-recombination parametric resonance and subsequent nonlinear evolution leading…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-20 Tristan L. Smith , John T. Giblin , Mustafa A. Amin , Mary Gerhardinger , Ericka Florio , Matthew Cerep , Shar Daniels

Cosmic microwave background (CMB) experiments generally infer a temperature fluctuation from a measured intensity fluctuation through the first term in the Taylor expansion of the Planck function, the relation between the intensity in a…

Astrophysics · Physics 2009-11-07 M. Kamionkowski , Lloyd Knox
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