Abstract
A second-order perturbation theory approach is developed to provide a calculation of temperature an- isotropies 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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