Minimal anisotropies in the cosmic microwave background

Details Minimal anisotropies in the cosmic microwave background Minimal anisotropies in the cosmic microwave background

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.4193m&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 10, 15 November 1992, pp.4193-4197

Physics

36

Background Radiations

Scientific paper

A second-order perturbation theory approach is developed to provide a calculation of temperature anisotropies in the cosmic microwave background. Results with zero or negligible Sachs-Wolfe effect are given for models based on specific initial conditions, these models fitting the large-scale structure observations. No fluctuations are present on the surface of last scattering, but arise at low redshift and amount to δT/T~10-6. The ratio of quadrupole to intermediate angular scale anisotropy is predicted to be about a factor of 2 less than expected in the standard inflationary models of large-scale structure.

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