Abstract
On the basis of a theory for the evolution of cosmological turbulence developed earlier by the present authors, the temperature fluctuations of the relict black-body radiation produced by turbulent motions are calculated. We take into consideration (i) the temperature fluctuations that appear at the moment of recombination (redshiftz≈103) with the account of their subsequent diminishing as a result of the optical depth produced in the course of re-ionization of metagalactic gas by young galaxies at their bright phase, and (ii) the temperature fluctuations that emerge on the surface of the last scattering (τ≈1) atz∼10 from vortexes and from potential velocities generated by the vortexes. A comparison of these calculations with the available measurements (upper limits) for temperature fluctuations of relict radiation makes it possible to obtain important upper and lower bounds for the initial velocity of the vortex motions.
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Kurskov, A.A., Ozernoy, L.M. Angular fluctuations of relict radiation produced by cosmological turbulence. Astrophys Space Sci 56, 67–80 (1978). https://doi.org/10.1007/BF00643462
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DOI: https://doi.org/10.1007/BF00643462