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Correlation of CMB with large-scale structure: II. Weak lensing
Christopher M. Hirata, Shirley Ho, Nikhil Padmanabhan +2
We investigate the correlation of gravitational lensing of the cosmic microwave background (CMB) with several tracers of large-scale structure, including luminous red galaxies (LRG…
Correlation of CMB with large-scale structure: I. ISW Tomography and Cosmological Implications
Shirley Ho, Christopher M. Hirata, Nikhil Padmanabhan +2
We cross-correlate large scale structure (LSS) observations from a number of surveys with CMB anisotropies from WMAP to investigate the Integrated Sachs-Wolfe (ISW) effect as a fun…
Constraining the dark energy with Ly-alpha forest
Uros Seljak, Rachel Mandelbaum, Patrick McDonald
Statistical properties of gas absorption in high redshift quasars such as power spectrum and bispectrum allow one to determine the evolution of structure over the redshift range 2<…
Limits on the Density of Compact Objects from High Redshift Supernovae
Uros Seljak, Daniel E. Holz
Due to the effects of gravitational lensing, the magnification distribution of high redshift supenovae can be a powerful discriminator between smooth dark matter and dark matter co…
Simulating Weak Lensing by Clusters and Large-Scale Structure
Bhuvnesh Jain, Uros Seljak, Simon White
Selected results on estimating cosmological parameters from simulated weak lensing data with noise are presented. Numerical simulations of ray tracing through N-body simulations ha…
Polarization of Microwave Background: Statistical and Physical Properties
Uros Seljak, Matias Zaldarriaga
We discuss statistical and physical properties of cosmic microwave background polarization, both in Fourier and in real space. The latter allows for a more intuitive understanding…