Free-streaming radiation in cosmological models with spatial curvature

Details Free-streaming radiation in cosmological models with spatial curvature Free-streaming radiation in cosmological models with spatial curvature

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...253l..53w&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 253, Feb. 15, 1982, p. L53-L56.

Astronomy and Astrophysics

Astrophysics

15

Background Radiation, Cosmology, Curvature, Relic Radiation, Spatial Dependencies, Anisotropy, Space-Time Functions

Scientific paper

The effects of spatial curvature on radiation anisotropy are examined for the standard Friedmann-Robertson-Walker model universes. The effect of curvature is found to be very important when considering fluctuations with wavelengths comparable to the horizon. It is concluded that the behavior of radiation fluctuations in models with spatial curvature is quite different from that in spatially flat models, and that models with negative curvature are most strikingly different. It is therefore necessary to take the curvature into account in careful studies of the anisotropy of the microwave background.

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