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Radiation in equilibrium with plasma and plasma effects on cosmic microwave background

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 نشر من قبل Vadim Munirov
 تاريخ النشر 2019
  مجال البحث فيزياء
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The spectrum of the radiation of a body in equilibrium is given by Plancks law. In plasma, however, waves below the plasma frequency cannot propagate; consequently, the equilibrium radiation inside plasma is necessarily different from the Planck spectrum. We derive, using three different approaches, the spectrum for the equilibrium radiation inside plasma. We show that, while plasma effects cannot be realistically detected with technology available in the near future, there are a number of quantifiable ways in which plasma affects cosmic microwave background (CMB) radiation.



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