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Galaxy power-spectrum responses and redshift-space super-sample effect
Yin Li, Marcel Schmittfull, Uroš Seljak
As a major source of cosmological information, galaxy clustering is susceptible to long-wavelength density and tidal fluctuations. These long modes modulate the growth and expansio…
Parameter constraints from cross-correlation of CMB lensing with galaxy clustering
Marcel Schmittfull, Uros Seljak
The lensing convergence measurable with future CMB surveys like CMB-S4 will be highly correlated with the clustering observed by deep photometric large scale structure (LSS) survey…
Theoretical Systematics of Future Baryon Acoustic Oscillation Surveys
Zhejie Ding, Hee-Jong Seo, Zvonimir Vlah +3
Future Baryon Acoustic Oscillation surveys aim at observing galaxy clustering over a wide range of redshift and galaxy populations at great precision, reaching tenths of a percent,…
Iterative initial condition reconstruction
Marcel Schmittfull, Tobias Baldauf, Matias Zaldarriaga
Motivated by recent developments in perturbative calculations of the nonlinear evolution of large-scale structure, we present an iterative algorithm to reconstruct the initial cond…