Thermally Excited Modes in a Pure Electron Plasma
- 17 March 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 90 (11) , 115001
- https://doi.org/10.1103/physrevlett.90.115001
Abstract
Thermally excited plasma modes are observed in near-thermal-equilibrium pure electron plasmas over a temperature range of . The measured thermal emission spectra together with a plasma-antenna coupling calibration uniquely determine the temperature. This calibration is obtained from the spectra themselves when absorption of the receiver-generated noise is significant, or from kinetic theory. This nondestructive temperature diagnostic agrees well with standard diagnostics and may be useful for expensive species such as antimatter.
Keywords
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