Microwave background anisotropy in low-${\Omega }_0$ inflationary models and the scale of homogeneity in the Universe

A. Kashlinsky, I. I. Tkachev, J. Frieman

We study the microwave background anisotropy due to superhorizon-size perturbations (the Grischuk-Zel'dovich effect) in open universes with negative spatial curvature. Using COBE r…