234 citations · 1.2k across the 25 of their papers we have counts for
10 papers · 1 filter
Tensor Integrals in the Large-Scale Structure
Hayden Lee
We present a new method for evaluating tensor integrals in the large-scale structure. Decomposing a CDM-like universe into a finite sum of scaling universes using the FFTLog, we…
Inflation: Theory and Observations
Ana Achúcarro, Matteo Biagetti, Matteo Braglia +19
Cosmic inflation provides a window to the highest energy densities accessible in nature, far beyond those achievable in any realistic terrestrial experiment. Theoretical insights i…
Weak Lensing Trispectrum and Kurt-Spectra
Dipak Munshi, Hayden Lee, Cora Dvorkin +1
We introduce two kurt-spectra to probe fourth-order statistics of weak lensing convergence maps. Using state-of-the-art numerical simulations, we study the shapes of these kurt-spe…
Precise and Accurate Cosmology with CMBxLSS Power Spectra and Bispectra
Shu-Fan Chen, Hayden Lee, Cora Dvorkin
With the advent of a new generation of cosmological experiments that will provide high-precision measurements of the cosmic microwave background (CMB) and galaxies in the large-sca…
Cosmological Angular Trispectra and Non-Gaussian Covariance
Hayden Lee, Cora Dvorkin
Angular cosmological correlators are infamously difficult to compute due to the highly oscillatory nature of the projection integrals. Motivated by recent development on analytic a…
Capturing Non-Gaussianity of the Large-Scale Structure with Weighted Skew-Spectra
Azadeh Moradinezhad Dizgah, Hayden Lee, Marcel Schmittfull +1
The forthcoming generation of wide-field galaxy surveys will probe larger volumes and galaxy densities, thus allowing for a much larger signal-to-noise ratio for higher-order clust…
Primordial Non-Gaussianity
P. Daniel Meerburg, Daniel Green, Muntazir Abidi +175
Our current understanding of the Universe is established through the pristine measurements of structure in the cosmic microwave background (CMB) and the distribution and shapes of…
Messengers from the Early Universe: Cosmic Neutrinos and Other Light Relics
Daniel Green, Mustafa A. Amin, Joel Meyers +136
The hot dense environment of the early universe is known to have produced large numbers of baryons, photons, and neutrinos. These extreme conditions may have also produced other lo…
Galaxy Bispectrum from Massive Spinning Particles
Azadeh Moradinezhad Dizgah, Hayden Lee, Julian B. Muñoz +1
Massive spinning particles, if present during inflation, lead to a distinctive bispectrum of primordial perturbations, the shape and amplitude of which depend on the masses and spi…
The Superhorizon Test of Future B-mode Experiments
Hayden Lee, S. -C. Su, Daniel Baumann
Inflation predicts B-mode polarization with correlations that span superhorizon scales at recombination. In contrast, the correlations set up by causal sources, such as phase trans…