4.6 Article

CMBFAST for spatially closed universes

Journal

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume 129, Issue 2, Pages 431-434

Publisher

UNIV CHICAGO PRESS
DOI: 10.1086/313423

Keywords

cosmic microwave background; cosmology : theory; large-scale structure of universe; methods : numerical; methods : statistical

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We extend the cosmological linear perturbation theory code CMBFAST to closed geometries. This completes the implementation of CMBFAST to all types of geometries and allows the user to perform an unlimited search in the parameter space of models. This will be especially useful for placing confidence limits on cosmological parameters from existing and future data. We discuss some of the technical issues regarding the implementation.

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