The smoothness of the universe

Details The smoothness of the universe The smoothness of the universe

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980phlb...90..253e&link_type=abstract

Physics Letters B, Volume 90, Issue 3, p. 253-257.

Physics

8

Scientific paper

We study the evolution of primordial fluctuations in the Big Bang in the context of grand unified theories of elementary particle interactions. We show that dissipation due to grand unified viscosity strongly damps rotational modes of all frequencies, compressional modes of all except very low frequencies, and radiative modes of high frequencies. The damping mainly occurs at temperatures > 1015 GeV, and does not significantly increase the entropy. Compressional modes which originate at high temperatures and have very low frequencies persist down to much lower temperatures and could eventually evolve into galaxies.

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