Evolution of the primordial cosmic turbulence

Details Evolution of the primordial cosmic turbulence Evolution of the primordial cosmic turbulence

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8227205t&link_type=abstract

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Computer Science

Numerical Analysis

Big Bang Cosmology, Cosmology, Energy Spectra, Plasma Density, Cosmic Rays, Numerical Analysis, Relativity, Viscosity

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. The equation is dealt with by taking full account of the viscosity effect to examine whether the turbulence can survive by the epoch of the plasma recombination. It is concluded that the resulting spectrum survived against the viscous decay depends on the initial spectral shape which is assumed at the epoch-t sub(eq) when the density of matter is equal to that of radiation. The Taylor's microscale is calculated to determine the fate of the primordial cosmic turbulence.

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