The Linear Theory Power Spectrum from the Lyα Forest in the Sloan Digital Sky Survey

McDonald, Patrick; Seljak, Uroš; Cen, Renyue; Shih, David; H. Weinberg, David; Burles, Scott; P. Schneider, Donald; J. Schlegel, David; A. Bahcall, Neta; W. Briggs, John; Brinkmann, J.; Fukugita, M.; Ivezić, Željko; Kent, S.; E. vanden Berk, D.

doi:10.1086/497563

Public

The Linear Theory Power Spectrum from the Lyα Forest in the Sloan Digital Sky Survey

Published in The Astrophysical Journal • Dec 15, 2005

Authors:

Patrick McDonald

Uroš Seljak

Renyue Cen

Abstract

We analyze the SDSS Ly-alpha forest P_F(k,z) measurement to determine the linear theory power spectrum. Our analysis is based on fully hydrodynamic simulations, extended using hydro-PM simulations. We account for the effect of absorbers with damping wings, which leads to an increase in the slope of ...

Subject

Spectral density

Physics

Cosmic microwave background

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