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Using Perturbative Least Action to Reconstruct Redshift Space Distortions | | David M. Goldberg
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17 Aug 2000 | | Subject: | astro-ph | | Affiliation: | Yale University; Princeton University Observatory | | Abstract: | In this paper, we present a redshift space reconstruction scheme which is analogous to and extends the Perturbative Least Action (PLA) method described by Goldberg & Spergel (2000). We first show that this scheme is effective in reconstructing even nonlinear observations. We then suggest that by varying the cosmology to minimize the quadrupole moment of a reconstructed density field, it may be possible to lower the errorbars on the redshift distortion parameter, $eta$ as well as to break the degeneracy between the linear bias parameter, $b$, and $Omega_M$. Finally, we discuss how PLA might be applied to realistic redshift surveys. | | Source: | arXiv, astro-ph/0008266 | | Services: | Forum | Review | PDF | Favorites | |
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