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Turbulence and self-consistent fields in plasmas [electronic resource].

Published:
Los Alamos, N.M. : Los Alamos National Laboratory, 1981.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 39 : digital, PDF file
Additional Creators:
Los Alamos National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
This paper is concerned with the role of self-consistency of the electric field in 1-D plasma turbulence. We first show that in the non-self consistent electric field problem excellent agreement is found between numerical experiments and quasilinear theory whenever the imposed electric field Fourier components have random phase. A discrepancy is exhibited between quasilinear prediction and numerical simulations in the self-consistent electric field case. This discrepancy is explained by the creation of a long correlation time of the electric field resulting from a strong wave-particle interaction. A comparison is made between quasilinear and renormalized propagator theories, and the Dupree Clump theory. These three theories are found to be self-contradictory in the regime of strong wave-particle interaction because they make an a priori quasigaussian assumption for the electric field.
Report Numbers:
E 1.99:la-ur-81-2834
E 1.99: conf-810385-3
conf-810385-3
la-ur-81-2834
Subject(s):
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Note:
Published through SciTech Connect.
01/01/1981.
"la-ur-81-2834"
" conf-810385-3"
"DE82000760"
Conference on non-linear problems: present and future, Los Alamos, NM, USA, Mar 1981.
DuBois, D.; Pesme, D.
Funding Information:
W-7405-ENG-36
View MARC record | catkey: 14747162