Primordial plasma: influence of non-ideality on equilibrium radiation

@article{Trigger2020PrimordialPI,
  title={Primordial plasma: influence of non-ideality on equilibrium radiation},
  author={Sergey A Trigger and S. A. Maslov},
  journal={Physica Scripta},
  year={2020}
}
The asymptotic behavior of the equilibrium radiation in Maxwellian plasma is investigated for the region of low frequencies. It is shown, that already for a weakly non-ideal plasma the equilibrium radiation can essentially deviate from the Planck law. The deviation from the Planck distribution is described by the transverse dielectric permittivity which takes into account both frequency and spatial dispersion. The influence of plasma non-ideality increases with increase of the non-ideality… 
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