Contributions of the Plasmons to the Energy Density and Pressure in the Early Universe

Details Contributions of the Plasmons to the Energy Density and Pressure in the Early Universe Contributions of the Plasmons to the Energy Density and Pressure in the Early Universe

Jun 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...482...33i&link_type=abstract

Astrophysical Journal v.482, p.33

Astronomy and Astrophysics

Astronomy

3

Cosmology: Theory, Cosmology: Early Universe, Magnetohydrodynamics: Mhd, Nuclear Reactions, Nucleosynthesis, Abundances

Scientific paper

The contributions of the plasmons to the energy density and pressure of the cosmic fluid in the early universe are calculated. It is found that the transverse and longitudinal plasmons make contributions to the energy density and pressure which amount to ~0.1% of the contributions of the ordinary photons. The present finding is expected not to influence the primordial nucleosynthesis in a drastic way. Nevertheless, the present investigation consolidates the conventional treatment of the photons in the early universe that assumes the smallness of the plasma effects.

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