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Related papers: Kinetic Sunyaev-Zel'dovich tomography with line-in…

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The kinetic Sunyaev Zel'dovich (kSZ) effect, cosmic microwave background (CMB) temperature anisotropies induced by the scattering of CMB photons from free electrons, will be measured by near-term CMB experiments at high significance. By…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-01 Dagoberto Contreras , Fiona McCarthy , Matthew C. Johnson

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 the first calculation of the kinetic Sunyaev-Zel'dovich (kSZ) effect due to the inhomogeneous reionization of the universe based on detailed large-scale radiative transfer simulations of reionization. The resulting sky power…

Astrophysics · Physics 2011-02-11 Ilian T. Iliev , Ue-Li Pen , J. Richard Bond , Garrelt Mellema , Paul R. Shapiro

The cosmic microwave background (CMB) photons that scatter off free electrons in the large-scale structure induce a linear polarization pattern proportional to the remote CMB temperature quadrupole observed in the electrons' rest frame. The…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-12 Selim C. Hotinli , Gilbert P. Holder , Matthew C. Johnson , Marc Kamionkowski

The patchiness in the reionization process alters the statistics of Cosmic Microwave Background (CMB), with the kinematic Sunyaev-Zeldovich (kSZ) effect in the CMB temperature power spectrum being a notable consequence. In this work, we aim…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-13 Divesh Jain , Tirthankar Roy Choudhury , Srinivasan Raghunathan , Suvodip Mukherjee

The cosmic microwave background (CMB) serves as a backlight to large-scale structure during the epoch of reionization, where Thomson scattering gives rise to temperature anisotropies on small angular scales from the kinetic Sunyaev…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-21 Selim C. Hotinli , Matthew C. Johnson

Upcoming measurements of the kinetic Sunyaev-Zel'dovich (kSZ) effect, which results from Cosmic Microwave Background (CMB) photons scattering off moving electrons, offer a powerful probe of the Epoch of Reionization (EoR). The kSZ signal…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-24 Farshid Farhadi Khouzani , Abinash Kumar Shaw , Paul La Plante , Bryar Mustafa Shareef , Laxmi Gewali

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

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

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

Measurements of the Cosmic Microwave Background (CMB) temperature anisotropies on large angular scales have uncovered a number of anomalous features of marginal statistical significance, such as a hemispherical power asymmetry, lack of…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-01 Juan I. Cayuso , Matthew C. Johnson

Future ground-based CMB experiments will generate competitive large-scale structure datasets by precisely characterizing CMB secondary anisotropies over a large fraction of the sky. We describe a method for constraining the growth rate of…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-31 David Alonso , Thibaut Louis , Philip Bull , Pedro G. Ferreira

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) 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

During the epoch of reionization, local variations in the ionized fraction (patchiness) imprint arcminute-scale temperature anisotropies in the CMB through the kinetic Sunyaev-Zel'dovich (kSZ) effect. We employ an improved version of an…

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

The kinetic Sunyaev Zel'dovich (kSZ) effect, cosmic microwave background (CMB) temperature anisotropies induced by scattering of CMB photons from free electrons, forms the dominant blackbody component of the CMB on small angular scales.…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-01 Fiona McCarthy , Matthew C. Johnson

Secondary CMB polarization is induced by the late-time scattering of CMB photons by free electrons on our past light cone. This polarized Sunyaev Zel'dovich (pSZ) effect is sensitive to the electrons' locally observed CMB quadrupole, which…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-25 Anne-Sylvie Deutsch , Matthew C. Johnson , Moritz Münchmeyer , Alexandra Terrana

Patchy reionization generates kinematic Sunyaev-Zeldovich (kSZ) anisotropies in the cosmic microwave background (CMB). Large-scale velocity perturbations along the line of sight modulate the small-scale kSZ power spectrum, leading to a…