On the Evolution of the Primordial Cosmic Turbulence

Details On the Evolution of the Primordial Cosmic Turbulence On the Evolution of the Primordial Cosmic Turbulence

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pthph..65..190t&link_type=abstract

Progress of Theoretical Physics, Vol. 65, No. 1, pp. 190-203

Physics

1

Scientific paper

The evolution of the primordial cosmic turbulence in the big-bang universe is studied by numerical integration of the spectral equation derived by Nariai and closed by Heisenberg's hypothesis. In order to examine whether the turbulence can survive by the epoch of the plasma recombination, the equation is dealt with by taking full account of the viscosity effect. The main conclusion is that the resulting spectrum survived against the viscous decay depends on the initial spectral shape which is assumed at the epoch teq when the density of matter is equal to that of radiation. Taylor's micro-scale is also calculated which is available to determine the fate of the primordial cosmic turbulence.

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