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Type: Artigo de periódico
Title: Relaxation of two-temperature plasma
Author: Bobylev, AV
Potapenko, IF
Sakanaka, PH
Abstract: The relaxation process of a space uniform plasma composed of electrons and one species of ions is considered. For the varied initial electron and ion temperatures, the asymptotic behavior of the solutions, under m(e)/m(i) much less than 1, are studied. Special attention has been paid to the deviation of relaxation from the classical picture, the latter being characterized by a weakly nonisothermic situation T-e much greater than (m(e)/m(i))T-1/3(i). An approach is developed for the detailed description of the relaxation. The perturbation of the electron distribution function, which has the character of a boundary layer for the cold electrons, is studied. The field of applicability of the well-known formulas for temperatures is extended and their corrections are obtained. The relaxation process of the two-temperature plasma is also considered numerically. A comparison of the results of the calculation with those of the asymptotic approach is made. The analytical results are confirmed by the numerical simulation results.
Country: EUA
Editor: American Physical Soc
Citation: Physical Review E. American Physical Soc, v. 56, n. 2, n. 2081, n. 2093, 1997.
Rights: aberto
Identifier DOI: 10.1103/PhysRevE.56.2081
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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