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ELECTRON-ELECTRON INTERACTION AND HEAT CONDUCTION IN GASEOUS PLASMAS

Journal Article · · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
;
The phenomenon of heat conduction in gaseous plasmas is observed in order to explore the problem of the mutual electron interaction. In addition to the technique of interaction of pulsed microwaves in decaying plasmas, the phenomenon of ''afterglow quenching'' is exploited in the experiments. The experimental values of the thermal conductivity, in low-gas-pressure neon and xenon plasmas of adequately high charge density, are determined by two different methods. They have been found to be of the order of 10/sup -6/-10/sup -5/ (joules/cm sec degree) for the electron density range 10/sup 11/-10/sup 13/ (cm/ sup -3/) at room temperature (~ 300 deg K. The most significant result of these experiments is that the thermal conductivity in the plasmas described is chiefly determined by heat flow in the electron gas of the plasma. Thus the mutual interaction of the electrons plays a predominant role in the phenomenon of heat conduction. The experimentally obtained values of the thermal conductivity are in agreement within less than one order of magnitude with those given by the theory of Spitzer and Harm. (auth)
Research Organization:
Univ. of Illinois, Urbana
NSA Number:
NSA-12-006017
OSTI ID:
4310884
Journal Information:
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 109; ISSN PHRVA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

DECAY
DENSITY
ELECTRIC CHARGES
ELECTRONS
GASES
INTERACTIONS
MICROWAVES
NEON
PHYSICS
PLASMA
THERMAL CONDUCTIVITY
XENON