178 citations · 832 across the 21 of their papers we have counts for
18 papers · 1 filter
CMB Delensing with Neural Network Based Lensing Reconstruction in the Presence of Primordial Tensor Perturbations
Chen Heinrich, Trey Driskell, Chris Heinrich
The next-generation CMB experiments are expected to constrain the tensor-to-scalar ratio with high precision. Delensing is an important process as the observed CMB -mode pol…
Constraining effective neutrino species with bispectrum of large scale structures
Yanlong Shi, Chen Heinrich, Olivier Doré
Relativistic and free-streaming particles like neutrinos leave imprints in large scale structures (LSS), providing probes of the effective number of neutrino species .…
Cosmology with the Roman Space Telescope -- Synergies with CMB lensing
Lukas Wenzl, Cyrille Doux, Chen Heinrich +5
We explore synergies between the Nancy Grace Roman Space Telescope and CMB lensing data to constrain dark energy and modified gravity scenarios. A simulated likelihood analysis of…
The High Latitude Spectroscopic Survey on the Nancy Grace Roman Space Telescope
Yun Wang, Zhongxu Zhai, Anahita Alavi +15
The Nancy Grace Roman Space Telescope will conduct a High Latitude Spectroscopic Survey (HLSS) over a large volume at high redshift, using the near-IR grism (1.0-1.93 m, $R=435-…
RELIKE: Reionization Effective Likelihood from Planck 2018 Data
Chen Heinrich, Wayne Hu
We release RELIKE (Reionization Effective Likelihood), a fast and accurate effective likelihood code based on the latest Planck 2018 data that allows one constrain any model for re…
Cross-bispectra Constraints on Modified Gravity Theories from Nancy Grace Roman Space Telescope and Rubin Observatory Legacy Survey of Space and Time
Chen Heinrich, Olivier Doré
One major goal of upcoming large-scale-structure surveys is to constrain dark energy and modified gravity theories. In particular, galaxy clustering and gravitational lensing conve…
Cosmology with the Wide-Field Infrared Survey Telescope -- Multi-Probe Strategies
Tim Eifler, Hironao Miyatake, Elisabeth Krause +25
We simulate the scientific performance of the Wide-Field Infrared Survey Telescope (WFIRST) High Latitude Survey (HLS) on dark energy and modified gravity. The 1.6 year HLS Referen…
Cosmology with the Wide-Field Infrared Survey Telescope -- Synergies with the Rubin Observatory Legacy Survey of Space and Time
Tim Eifler, Melanie Simet, Elisabeth Krause +27
We explore synergies between the space-based Wide-Field Infrared Survey Telescope (WFIRST) and the ground-based Rubin Observatory Legacy Survey of Space and Time (LSST). In particu…
WFIRST: The Essential Cosmology Space Observatory for the Coming Decade
O. Doré, C. Hirata, Y. Wang +46
Two decades after its discovery, cosmic acceleration remains the most profound mystery in cosmology and arguably in all of physics. Either the Universe is dominated by a form of da…
BAO Modulation as a Probe of Compensated Isocurvature Perturbations
Chen Heinrich, Marcel Schmittfull
Compensated isocurvature perturbations (CIPs) are opposite spatial fluctuations in the baryon and dark matter density. They can be generated for example in the curvaton model in th…
WFIRST Science Investigation Team "Cosmology with the High Latitude Survey" Annual Report 2017
Olivier Doré, Christopher Hirata, Yun Wang +46
Cosmic acceleration is the most surprising cosmological discovery in many decades. Testing and distinguishing among possible explanations requires cosmological measurements of extr…
Inflationary vs. Reionization Features from Planck 2015 Data
Georges Obied, Cora Dvorkin, Chen Heinrich +2
Features during inflation and reionization leave corresponding features in the temperature and polarization power spectra that could potentially explain anomalies in the Planck 201…
Does Planck 2015 polarization favor high redshift reionization?
Chen Heinrich, Wayne Hu
We study the relationship between signatures of high redshift ionization in large-angle CMB polarization power spectra and features in the Planck 2015 data. Using a principal compo…
Lensing Bias to CMB Polarization Measurements of Compensated Isocurvature Perturbations
Chen Heinrich
Compensated isocurvature perturbations are opposite spatial fluctuations in the baryon and dark matter (DM) densities. They arise in the curvaton model and some models of baryogene…
Inflationary Features and Shifts in Cosmological Parameters from Planck 2015 Data
Georges Obied, Cora Dvorkin, Chen Heinrich +2
We explore the relationship between features in the Planck 2015 temperature and polarization data, shifts in the cosmological parameters, and features from inflation. Residuals in…
Signatures of metal-free star formation in Planck 2015 Polarization Data
V Miranda, Adam Lidz, Chen He Heinrich +1
Standard analyses of the reionization history of the universe from Planck cosmic microwave background (CMB) polarization measurements consider only the overall optical depth to ele…
Complete Reionization Constraints from Planck 2015 Polarization
Chen He Heinrich, V Miranda, Wayne Hu
We conduct an analysis of the Planck 2015 data that is complete in reionization observables from the large angle polarization -mode spectrum in the redshift range .…
Lensing Bias to CMB Measurements of Compensated Isocurvature Perturbations
Chen He Heinrich, Daniel Grin, Wayne Hu
Compensated isocurvature perturbations (CIPs) are modes in which the baryon and dark matter density fluctuations cancel. They arise in the curvaton scenario as well as some models…