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AbstractAbstract
[en] A comprehensive discussion of parametric excitation of electrostatic waves in magnetized plasma is given. A general derivation of the dispersion relation is presented. The dispersion relation is analyzed for two cases, that is (a) when the driving frequency is near the resonant frequency of electron modes, and (b) when the driving frequency is near the lower hybrid frequency. Some general remarks and a brief comparison of theory with experiment and computer simulations are given
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Kaw, P.K; p. 179-206; 1976; John Wiley and Sons, Inc; New York
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Physics of Fluids; v. 16(11); p. 1927-1933
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[en] Nonlinear decay of an electromagnetic wave into lower-hybrid and upper-hybrid wave in a plasma containing two types of ions and two temperature electrons has been analytically investigated. Hydrodynamical model of the plasma is used. Nonlinear dispersion relation and growth rates are calculated for parametric decay, modulational and filamentation instabilities. As an application of the investigation growth rates are calculated for typical parameters of both laboratory and space plasmas. Effect of addition of second species of electrons and ions is discussed
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Brunnet, L.G.; Rizzato, F.B.; Corso, G.
Proceedings of the 4. Brazilian meeting on plasma physics; 6. Brazilian plasma astrophysics workshop
Proceedings of the 4. Brazilian meeting on plasma physics; 6. Brazilian plasma astrophysics workshop
AbstractAbstract
[en] In this paper we analyse the behavior of area preserving maps and related bifurcations in an accelerator system as a function of the tuning involving orbital and external wave frequencies. It is found out that while sharp tuning leads to nonmonotonic maps, poor tuning leads to monotonic maps. The transition between these two situations and the associated sequences of bifurcations are studied in detail. (author). 8 refs., 2 figs
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Sociedade Brasileira de Fisica, Sao Paulo, SP (Brazil); 378 p; 1996; p. 266-269; 4. Brazilian meeting on plasma physics; 4. Encontro brasileiro de fisica dos plasmas; Aguas de Lindoia, SP (Brazil); 2-6 Sep 1996; 6. Brazilian plasma astrophysics workshop; 6. Brazilian plasma astrophysics workshop; Aguas de Lindoia, SP (Brazil); 2-6 Sep 1996; Available from the Library of Brazilian Nuclear Energy Commission, Rio de Janeiro
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No abstract available
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Physics of Fluids; v. 16(9); p. 1490-1496
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[en] The stability of tearing modes for current profiles satisfying the principle of profile consistency of Coppi is investigated and compared with recent experimental results of JET. (author). 14 refs, 1 fig
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Source
Instituto de Pesquisas Espaciais (INPE), Sao Jose dos Campos, SP (Brazil); Sociedade Brasileira de Fisica, Sao Paulo, SP (Brazil); 244 p; 1991; p. 119-126; 1. Brazilian Congress on Plasma Physics; Santos, SP (Brazil); 10-13 Dec 1991; Available from the Library of Comissao Nacional de Energia Nuclear, RJ (BR)
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Lopes, S.R.; Chian, A.C.L.
Proceedings of the 3. Brazilian meeting on plasma physics; 5. Brazilian plasma astrophysics workshop
Proceedings of the 3. Brazilian meeting on plasma physics; 5. Brazilian plasma astrophysics workshop
AbstractAbstract
[en] It is shown that the chaotic orbits in the saturated states of nonlinear three-wave coupling can be controlled by applying a small sinusoidal anti-Stokes wave to the system. For a given set of linear frequency mismatch and damping parameters, a desired periodic orbit can be achieved by a suitable choice of the control wave amplitude. This method is illustrated by numerical simulations. (author). 19 refs., 2 figs
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Source
Sociedade Brasileira de Fisica, Sao Paulo, SP (Brazil); Instituto Nacional de Pesquisas Espaciais (INPE), Sao Jose dos Campos, SP (Brazil); 432 p; 1995; p. 252-255; 3. Brazilian meeting on plasma physics; 3. Encontro brasileiro de fisica dos plasmas; Aguas de Lindoia, SP (Brazil); 4-6 Dec 1995; 5. Brazilian plasma astrophysics workshop; 5. Brazilian plasma astrophysics workshop; Aguas de Lindoia, SP (Brazil); 4-6 Dec 1995; Available from the Library of Brazilian Nuclear Energy Commission, Rio de Janeiro
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Physical Review Letters; v. 33(15); p. 886-889
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No abstract available
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Physics of Fluids; v. 17(8); p. 1608-1613
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Heller, M.V.A.P.; Brasilio, Z.A.; Castro, R.M.; Caldas, I.L.; Silva, R.P. da
Proceedings of the 1. Brazilian Congress on Plasma Physics. v. 3
Proceedings of the 1. Brazilian Congress on Plasma Physics. v. 3
AbstractAbstract
[en] Spectral techniques are applied to the characterization of turbulence on the tokamak TBR-1 confined plasma edge. Based on the experiment performed with electrostatic probes, the density and potential fluctuation statistical properties are analysed, and the particle fluxes caused by the electrostatic fluctuations determined. (L.C.J.A.). 6 refs, 5 figs
Original Title
Caracteristicas do espectro turbulento na borda do tokamak TBR-1
Primary Subject
Source
Instituto de Pesquisas Espaciais (INPE), Sao Jose dos Campos, SP (Brazil); Sociedade Brasileira de Fisica, Sao Paulo, SP (Brazil); 244 p; 1991; p. 188-192; 1. Brazilian Congress on Plasma Physics; Santos, SP (Brazil); 10-13 Dec 1991; Available from the Library of Comissao Nacional de Energia Nuclear, RJ (BR)
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