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Related papers: Polarized Sunyaev Zel'dovich tomography

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We describe polarization of the Sunyaev-Zel'dovich (SZ) effect associated with electron pressure anisotropy likely present in the intracluster medium (ICM). The ICM is an astrophysical example of a weakly collisional plasma where the Larmor…

High Energy Astrophysical Phenomena · Physics 2017-12-27 I. Khabibullin , S. Komarov , E. Churazov , A. Schekochihin

Secondary anisotropies of the CMB have the potential to reveal intricate details about the history of our universe between the present and recombination epochs. However, because the CMB we observe is the projected sum of a multitude of…

Astrophysics · Physics 2009-11-10 Olivier Doré , Joseph F. Hennawi , David N. Spergel

The Sunyaev-Zel'dovich (SZ) effects are produced by the interaction of cosmic microwave background (CMB) photons with the ionized and diffuse gas of electrons inside galaxy clusters integrated along the line of sight. The two main effects…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-01 G. Hurier

The kinetic Sunyaev-Zel'dovich (kSZ) effect, i.e., the Doppler boost of cosmic microwave background (CMB) photons caused by their scattering off free electrons in galaxy clusters and groups with non-zero bulk velocity, is a powerful window…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-22 Boris Bolliet , J. Colin Hill , Simone Ferraro , Aleksandra Kusiak , Alex Krolewski

The Sunyaev-Zel'dovich (SZ) effect from clusters of galaxies should yield a significant signal in cosmic microwave background(CMB) experiments at small angular scales ($\ell \ga 1000$). Experiments with sufficient frequency coverage should…

Astrophysics · Physics 2007-05-23 Gilbert P. Holder , John E. Carlstrom

The kinetic Sunyaev Zel'dovich (kSZ) effect is a blackbody cosmic microwave background (CMB) temperature anisotropy induced by Thomson scattering off free electrons in bulk motion with respect to the CMB rest frame. The statistically…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-11 Richard Bloch , Matthew C. Johnson

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

The thermal Sunyaev-Zel'dovich (tSZ) effect is the inverse-Compton scattering of cosmic microwave background (CMB) photons off hot, ionized electrons, primarily located in galaxy groups and clusters. Recent years have seen immense…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-22 J. Colin Hill

Recent results of ground-based telescopes, giving high-quality measurements of the CMB temperature power spectrum on small scales motivate the need for an accurate model of foregrounds, which dominate the primary signal at these multipoles.…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-06 Adélie Gorce , Marian Douspis , Laura Salvati

The Sunyaev-Zel'dovich (SZ) effect has long been identified as one of the most important secondary effects of the Cosmic Microwave Background (CMB). On the one hand, it is a potentially very powerful cosmological probe providing us with…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 N. Taburet , M. Douspis , N. Aghanim

The thermal Sunyaev-Zel'dovich (tSZ) effect measures the line-of-sight projection of the thermal pressure of free electrons and lacks any redshift information. By cross correlating the tSZ effect with an external cosmological tracer we can…

Cosmology and Nongalactic Astrophysics · Physics 2014-06-11 Geraint Pratten , Dipak Munshi

Observational cosmology has become an important laboratory for testing General Relativity, with searches for modified gravity forming a significant portion of the science case for existing and future surveys. In this paper, we illustrate…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-23 Zhen Pan , Matthew C. Johnson

The thermal Sunyaev-Zel'dovich (tSZ) effect is a spectral distortion of the cosmic microwave background (CMB) resulting from inverse Compton scattering of CMB photons with electrons in the medium of galaxy clusters. The spectrum of the tSZ…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-18 David Zegeye , Thomas Crawford , Wayne Hu

We propose the use of the kinetic Sunyaev-Zel'dovich (kSZ) effect to probe the circumgalactic medium (CGM), with the aid of a spectroscopic survey covering the same area of a SZ survey. One can design an optimal estimator of the kSZ effect…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-23 Jiawei Shao , Taotao Fang

Anisotropies in the Cosmic Microwave Background (CMB) can be induced during the later stages of cosmic evolution, and in particular during and after the Epoch of Reionisation. Inhomogeneities in the ionised fraction, but also in the baryon…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-15 Christian Fidler , Christophe Ringeval

High-precision measurements of the Cosmic Microwave Background (CMB) will soon allow for the unprecedented detection of small-scale secondary anisotropies, such as the kinetic Sunyaev-Zel'dovich (kSZ) effect. Linking the kSZ power spectrum…

The next generation of CMB experiments (CMB Stage-4) will produce a Sunyaev-Zel'dovich (SZ) cluster catalog containing $\sim10^{5}$ objects, two orders of magnitudes more than currently available. In this paper, we discuss the detectability…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-13 Thibaut Louis , Emory F. Bunn , Benjamin Wandelt , Joseph Silk

The key to understand the nature of dark energy relies in our ability to probe the distant Universe. In this framework, the recent detection of the kinematic Sunyaev-Zel'dovich (kSZ) effect signature in the cosmic microwave background…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-05 M. Roncarelli , M. Baldi , F. Villaescusa-Navarro

We present a novel mathematical formalism that allows to easily compute the expected kinetic Sunyaev Zeldovich (kSZ) signal in intensity and polarization due to an anisotropic primordial Cosmic Microwave Background (CMB). We derive the…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-20 Siavash Yasini , Elena Pierpaoli

We explore the significance of noise from thermal Sunyaev-Zel{'}dovich (tSZ) signals for cluster detection using cosmic microwave background (CMB) surveys. The noise arises both from neighboring objects and also from haloes below the…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-30 Srinivasan Raghunathan