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Related papers: Probing Dark Energy Microphysics with kSZ Tomograp…

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Upcoming observatories will be able to detect the kinetic Sunyaev-Zel'dovitch (kSZ) effect with unprecendented signal-to-noise, and cross-correlations with foreground signals such as galaxy counts are a promising way to extract additional…

Astrophysics · Physics 2007-05-23 Simon DeDeo , David N. Spergel , Hy Trac

Conventionally, in galaxy surveys, cosmological constraints on the growth and expansion history of the universe have been obtained from the measurements of redshift-space distortions and baryon acoustic oscillations embedded in the…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-16 Teppei Okumura , Atsushi Taruya

We calculate the constraints on dark energy and cosmic modifications to gravity achievable with upcoming cosmic microwave background (CMB) surveys sensitive to the Sunyaev-Zeldovich (SZ) effects. The analysis focuses on using the mean…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Eva-Maria Mueller , Francesco de Bernardis , Rachel Bean , Michael Niemack

In the context of a cosmological study of the bulk flows in the Universe, we present a detailed study of the statistical properties of the kinematic Sunyaev-Zel'dovich (kSZ) effect. We first compute analytically the correlation function and…

Astrophysics · Physics 2009-11-13 C. Hernandez-Monteagudo , L. Verde , Raul Jimenez , D. N. Spergel

We present a forecast of the pairwise kinematic Sunyaev-Zel'dovich (kSZ) measurement that will be achievable with the future CMB-S4 experiment. CMB-S4 is the next stage for ground-based cosmic microwave background experiments, with a…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-30 E. Schiappucci , S. Raghunathan , C. To , F. Bianchini , C. L. Reichardt , N. Battaglia , B. Hadzhiyska , S. Kim , J. B. Melin , C. Sifón , E. M. Vavagiakis

The kinetic Sunyaev-Zeldovich (kSZ) effect will be an important source of cosmological and astrophysical information in upcoming surveys of the cosmic microwave background (CMB). However, the kSZ effect will also act as the dominant source…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-10 Simon Foreman , Selim C. Hotinli , Mathew S. Madhavacheril , Alexander van Engelen , Christina D. Kreisch

We perform the first joint analysis of galaxy clustering (GC) and the kinetic Sunyaev-Zel'dovich (kSZ) effect to simultaneously constrain cosmological and astrophysical parameters in this work, utilizing a combination of the Atacama…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-13 Shaohong Li , Yi Zheng

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

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…

Measurements of secondary cosmic microwave background (CMB) anisotropies, such as the Sunyaev-Zel'dovich (SZ) effect, will enable new tests of neutrino and dark sector properties. The kinetic SZ (kSZ) effect is produced by cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-07 Gerrit S. Farren , Daniel Grin , Andrew H. Jaffe , Renée Hložek , David J. E. Marsh

The kinematic Sunyaev-Zel'dovich (kSZ) effect --- the Doppler boosting of cosmic microwave background (CMB) photons due to Compton-scattering off free electrons with non-zero bulk velocity --- probes the abundance and distribution of…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-03 J. Colin Hill , Simone Ferraro , Nick Battaglia , Jia Liu , David N. Spergel

We constrain the dark energy equation of state parameter, $w$, using the power spectrum of the thermal Sunyaev-Zeldovich (tSZ) effect. We improve upon previous analyses by taking into account the trispectrum in the covariance matrix and…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-11 Boris Bolliet , Barbara Comis , Eiichiro Komatsu , Juan Francisco Macías-Pérez

Non-Gaussianity of the primordial curvature perturbations may arise from a variety of well motivated early Universe scenarios. In particular, inflationary theories with additional light degrees of freedom can generate a bispectrum that is…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-01 Peter Adshead , Avery J. Tishue

The kinematic Sunyaev-Zel'dovich (kSZ) effect -- the Doppler boosting of cosmic microwave background (CMB) photons scattering off free electrons with non-zero line-of-sight velocity -- is an excellent probe of the distribution of baryons in…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-25 Aleksandra Kusiak , Boris Bolliet , Simone Ferraro , J. Colin Hill , Alex Krolewski

The kinetic Sunyaev-Zel'dovich (kSZ) effect is a secondary cosmic microwave background (CMB) anisotropy induced by the scattering of CMB photons off intervening electrons. Through cross-correlations with tracers of large-scale structure,…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-28 Gabriela Sato-Polito , José Luis Bernal , Kimberly K. Boddy , Marc Kamionkowski

We develop and test a new statistical method to measure the kinematic Sunyaev-Zel'dovich (kSZ) effect. A sample of independently detected clusters is combined with the cosmic flow field predicted from a galaxy redshift survey in order to…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-11 Ming Li , Raul E. Angulo , Simon D. M. White , Jens Jasche

We study the prospects for extracting detailed statistical properties of the Sunyaev-Zel'dovich (SZ) effect associated with large scale structure using upcoming multifrequency CMB experiments. The greatest obstacle to detecting the…

Astrophysics · Physics 2009-10-07 Asantha Cooray , Wayne Hu , Max Tegmark

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 apparent accelerating expansion of the Universe, determined from observations of distant supernovae, and often taken to imply the existence of dark energy, may alternatively be explained by the effects of a giant underdense void if we…

Cosmology and Nongalactic Astrophysics · Physics 2012-01-06 Philip Bull , Timothy Clifton , Pedro G. Ferreira

We measure the kinematic Sunyaev-Zel'dovich (kSZ) effect, imprinted by maxBCG clusters, on the Planck SMICA map of the Cosmic Microwave Background (CMB). Our measurement, for the first time, directly accounts for uncertainties in the…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-07 Nhat-Minh Nguyen , Jens Jasche , Guilhem Lavaux , Fabian Schmidt
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