A Complete Treatment of CMB Anisotropies in a FRW Universe

Details A Complete Treatment of CMB Anisotropies in a FRW Universe A Complete Treatment of CMB Anisotropies in a FRW Universe

1997-09-09

arxiv.org/abs/astro-ph/9709066v2

Phys.Rev.D57:3290-3301,1998

Astronomy and Astrophysics

Astrophysics

RevTeX 17 pgs, 2 figs included, also available at http://www.sns.ias.edu/~whu/pub.html Changes reflect published version + c

Scientific paper

10.1103/PhysRevD.57.3290

We generalize the total angular momentum method for computing Cosmic Microwave Background anisotropies to Friedman-Robertson-Walker (FRW) spaces with arbitrary geometries. This unifies the treatment of temperature and polarization anisotropies generated by scalar, vector and tensor perturbations of the fluid, seed, or a scalar field, in a universe with constant comoving curvature. The resulting formalism generalizes and simplifies the calculation of anisotropies and, in its integral form, allows for a fast calculation of model predictions in linear theory for any FRW metric.

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