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Thermally Excited Modes in a Pure Electron Plasma

Anderegg, F. and Shiga, N. and Danielson, J. R. and Dubin, D. H. E. and Driscoll, C. F. and Gould, R. W. (2003) Thermally Excited Modes in a Pure Electron Plasma. Physical Review Letters, 90 (11). Art. No. 115001. ISSN 0031-9007. doi:10.1103/PhysRevLett.90.115001.

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Thermally excited plasma modes are observed in near-thermal-equilibrium pure electron plasmas over a temperature range of 0.05<kT<5 eV. 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.

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Additional Information:©2003 The American Physical Society (Received 3 December 2001; published 17 March 2003) This work is supported by ONR Grant No. N00014-96-1-0239 and NSF Grant No. PHY-9876999. We thank R. E. Pollock and T.M. O’Neil for many fruitful discussions.
Subject Keywords:electron gas; heat radiation; plasma diagnostics; plasma density; plasma temperature; thermal noise; spectral analysis
Issue or Number:11
Record Number:CaltechAUTHORS:ANDprl03
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1987
Deposited By: Archive Administrator
Deposited On:28 Feb 2006
Last Modified:08 Nov 2021 19:44

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