Anisotropies of the Cosmic Background Radiation and Characteristic Scale of a Cellular Fractal Universe

Details Anisotropies of the Cosmic Background Radiation and Characteristic Scale of a Cellular Fractal Universe Anisotropies of the Cosmic Background Radiation and Characteristic Scale of a Cellular Fractal Universe

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...254....7f&link_type=abstract

Astronomy and Astrophysics, Vol.254, NO. FEB(I), P. 7, 1992

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We provide detailed calculations of the anisotropies of the microwave background, from the arcminute range to the quadrupole scale, for the cellular-fractal universe introduced in Paper I of this series. Contrary to earlier estimates, we find that the model is consistent with microwave data for a fractal cell radius R<~50 h^-1^ Mpc. The resulting picture also agrees with very recent astronomical observations, including the striking results of Broadhurst et al. (1990), which constitute a hard challenge for standard power-law theories of galaxy formation. We show that the anisotropies in the background radiation should be looked for mainly in the arcminute range, a direct imprint of the cosmic cell radius being predicted around 10'-20'.

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