Electrical conductivity in the early universe

Details Electrical conductivity in the early universe Electrical conductivity in the early universe

1996-02-21

arxiv.org/abs/hep-ph/9602357v1

Phys.Lett. B382 (1996) 40-44

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages in LaTeX

Scientific paper

10.1016/0370-2693(96)00633-8

We solve numerically the Boltzmann equation in the early universe in the
presence of a constant electric field and find the electrical conductivity
$\sigma$ in the range $1\MeV\lsim T\lsim M_W$. The main contribution to
$\sigma$ is shown to be due to leptonic interactions. For $T\lsim 100\MeV$ we
find $\sigma\simeq 0.76T$ while at $T\simeq M_W$ we obtain $\sigma\simeq 6.7T$

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