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035 |a (TOE)ost4173983 
035 |a (TOE)4173983 
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245 0 0 |a Department of Physics annual progress report, June 1975  |h [electronic resource] 
260 |a Washington, D.C :  |b United States. Energy Research and Development Administration ;  |a Oak Ridge, Tenn. :  |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,  |c 1975. 
300 |a Pages: 10 :  |b digital, PDF file. 
336 |a text  |b txt  |2 rdacontent. 
337 |a computer  |b c  |2 rdamedia. 
338 |a online resource  |b cr  |2 rdacarrier. 
500 |a Published through SciTech Connect. 
500 |a 06/01/1975. 
500 |a "coo--3004-11" 
500 |a " sit--291" 
500 |a Schmidt, G. 
500 |a Stevens Inst. of Tech., Hoboken, N.J. (USA) 
520 3 |a A dispersion relation was derived for the interaction of a large amplitude Langmuir wave with ion waves in a uniform plasma. The dispersion relation contains in addition to the well known modulational and resonant backscatter instabilities, a modified oscillating two stream instability, a nonlinear Landau instability (resistive quasi mode) and a reactive quasi mode. It was found that envelope solitons are unstable against perpendicular perturbations, and tend to break up into blobs while radiating away energy in the form of electron and ion waves. This is in agreement with recent numerical computations. A new definition of the sign of wave energy is given, which is valid where the old definition based on an expansion procedure breaks down. It is shown that a beam-plasma wave does not produce explosive instabilities. An eigenvalue equation describing the propagation of collisionless electrostatic drift waves in a magnetoplasma, with an arbitrary one dimensional density profile is derived. It is shown that in general several different waveforms exist each with its respective dispersion relation. A numerical analysis was carried out on ion heating by a new parametric process. It was found that as the ion temperature approaches the electron temperature the heating process rapidly saturates. (auth) 
536 |b AT(11-1)-3004. 
650 7 |a *Plasma Waves-- Research Programs.  |2 local. 
650 7 |a Beam-Plasma Systems.  |2 local. 
650 7 |a Dispersion Relations.  |2 local. 
650 7 |a Ion Plasma Waves.  |2 local. 
650 7 |a Langmuir Frequency.  |2 local. 
650 7 |a Parametric Instabilities.  |2 local. 
650 7 |a Plasma Drift.  |2 local. 
650 7 |a Plasma Heating.  |2 local. 
650 7 |a Plasma Instability.  |2 local. 
650 7 |a Solitons.  |2 local. 
650 7 |a N70900* --Physics--Controlled Thermonuclear Research--Wave Phenomena.  |2 edbsc. 
650 7 |a 0108* --Fusion Energy--Plasma Research--Plasma Wave Phenomena.  |2 edbsc. 
710 1 |a United States.  |b Energy Research and Development Administration.  |4 spn. 
710 1 |a United States.  |b Department of Energy.  |b Office of Scientific and Technical Information.  |4 dst. 
856 4 0 |u http://www.osti.gov/scitech/biblio/4173983  |z Online Access 
907 |a .b78004913  |b 03-08-23  |c 08-01-14 
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952 f f |p Can circulate  |a University of Colorado Boulder  |b Online  |c Online  |d Online  |e E 1.99: sit--291  |h Superintendent of Documents classification  |i web  |n 1