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

Journal Article · · Physical Review E

The spectrum of the radiation of a body in equilibrium is given by Planck's 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. Here, 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 radiation.

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
NA0003871
OSTI ID:
1557564
Alternate ID(s):
OSTI ID: 1556829
Journal Information:
Physical Review E, Journal Name: Physical Review E Journal Issue: 2 Vol. 100; ISSN PLEEE8; ISSN 2470-0045
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (1)

Spectral energy distribution of the equilibrium radiation and its asymptotic behavior in ideal gaseous plasmas journal February 2020

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