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Constraints on perturbations to the recombination history from measurements of the CMB damping tail
M. Farhang, J. R. Bond, J. Chluba +1
The primordial CMB at small angular scales is sensitive to the ionization and expansion history of the universe around the time of recombination. This dependence has been exploited…
Sunyaev-Zeldovich signal processing and temperature-velocity moment method for individual clusters
Jens Chluba, Eric R. Switzer, Daisuke Nagai +1
Future high resolution, high sensitivity Sunyaev-Zeldovich (SZ) observations of individual clusters will provide an exciting opportunity to answer specific questions about the dyna…
A fast and accurate method for computing the Sunyaev-Zeldovich signal of hot galaxy clusters
Jens Chluba, Daisuke Nagai, Sergey Sazonov +1
New generation ground and space-based CMB experiments have ushered in discoveries of massive galaxy clusters via the Sunyaev-Zeldovich (SZ) effect, providing a new window for study…
Mixing of blackbodies: entropy production and dissipation of sound waves in the early Universe
Rishi Khatri, Rashid A. Sunyaev, Jens Chluba
Mixing of blackbodies with different temperatures creates a spectral distortion which, at lowest order, is a y-type distortion, indistinguishable from the thermal y-type distortion…
Probing the inflaton: Small-scale power spectrum constraints from measurements of the CMB energy spectrum
Jens Chluba, Adrienne L. Erickcek, Ido Ben-Dayan
In the early Universe, energy stored in small-scale density perturbations is quickly dissipated by Silk-damping, a process that inevitably generates mu- and y-type spectral distort…
CMB at 2x2 order: the dissipation of primordial acoustic waves and the observable part of the associated energy release
Jens Chluba, Rishi Khatri, Rashid A. Sunyaev
Silk damping of primordial small-scale perturbations in the photon-baryon fluid due to diffusion of photons inevitably creates spectral distortions in the CMB. With the proposed CM…