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Transverse velocities and matter gradient correlations: a new signal and a new challenge to moving-lens analyses
Selim C. Hotinli, Elena Pierpaoli, Simone Ferraro +1
An observer that is moving towards a high-density region sees, on average, a higher matter density and more foreground-emitting sources ahead than behind themself. Consequently, th…
Constraining using the Large-Scale Modulation of Small-Scale Statistics
Utkarsh Giri, Moritz Münchmeyer, Kendrick M. Smith
We implement a novel formalism to constrain primordial non-Gaussianity of the local type from the large-scale modulation of the small-scale power spectrum. Our approach combines in…
Robust Neural Network-Enhanced Estimation of Local Primordial Non-Gaussianity
Utkarsh Giri, Moritz Münchmeyer, Kendrick M. Smith
When applied to the non-linear matter distribution of the universe, neural networks have been shown to be very statistically sensitive probes of cosmological parameters, such as th…
Snowmass2021 CMB-HD White Paper
HD Collaboration, Simone Aiola, Yashar Akrami +61
CMB-HD is a proposed millimeter-wave survey over half the sky that would be ultra-deep (0.5 uK-arcmin) and have unprecedented resolution (15 arcseconds at 150 GHz). Such a survey w…
Cosmology with the moving lens effect
Selim C. Hotinli, Kendrick M. Smith, Mathew S. Madhavacheril +1
Velocity fields can be reconstructed at cosmological scales from their influence on the correlation between the cosmic microwave background and large-scale structure. Effects that…
CHIME/FRB Catalog 1 results: statistical cross-correlations with large-scale structure
Masoud Rafiei-Ravandi, Kendrick M. Smith, Dongzi Li +38
The CHIME/FRB Project has recently released its first catalog of fast radio bursts (FRBs), containing 492 unique sources. We present results from angular cross-correlations of CHIM…