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Pis'ma v Zh. Èksper. Teoret. Fiz., 2005, Volume 82, Issue 6, Pages 395–406 (Mi jetpl1566)  

This article is cited in 15 scientific papers (total in 15 papers)


Self-consistent turbulent convection in a magnetized plasma

V. P. Pastukhov, N. V. Chudin

Russian Research Centre "Kurchatov Institute"

Abstract: It has been shown that low-frequency vortex convection, which is self-consistently developed in a magnetized plasma, may lead to nondiffusive transport processes similar to those observed in various systems of the plasma magnetic confinement. To theoretically analyze such a convection, an approach is proposed on the basis of the direct computer simulation of the quasi-two-dimensional dynamics of a weakly dissipative plasma with the use of adiabatically reduced hydrodynamic-type equations. The derived equations ensure the description of both relatively fast nonlinear convective flows and slower resulting transport processes and allow the simulation of the plasma evolution at sufficiently long times comparable with the plasma lifetime. The simulation shows that the development of the convection leads to the formation of nonlinear large-scale stochastic vortex structures, which exhibit broad power-law frequency and wavenumber spectra, as well as the non-Gaussian statistics of fluctuations, and corresponds to the notion of structure turbulence. The resulting transport processes are nonlocal and nondiffusive and have a number of characteristic properties similar to those observed in real experiments. The self-consistency of the pressure and density profiles in the plasma, L-H transitions, impurity pinch, etc., are among these properties.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2005, 82:6, 356–365

Bibliographic databases:

PACS: 52.30.-q; 52.35.Ra
Received: 15.07.2005

Citation: V. P. Pastukhov, N. V. Chudin, “Self-consistent turbulent convection in a magnetized plasma”, Pis'ma v Zh. Èksper. Teoret. Fiz., 82:6 (2005), 395–406; JETP Letters, 82:6 (2005), 356–365

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    This publication is cited in the following articles:
    1. Cho T., Kohagura J., Numakura T., Hirata M., Higaki H., Hojo H., Ichimura M., Ishii K., Islam K.M., Itakura A., Katanuma I., Minami R., Nakashima Y., Saito T., Tatematsu Y., Watanabe O., Yoshikawa M., Kojima A., Miyake Y., Miyata Y., Shimizu K., Tomii Y., Yoshida M., Sakamoto K., Imai T., Pastukhov V.P., Physical Review Letters, 97:5 (2006), 055001  crossref  adsnasa  isi  elib  scopus
    2. Grigor'ev I.A., Pastukhov V.P., Plasma Physics Reports, 33:8 (2007), 627–636  crossref  mathscinet  adsnasa  isi  scopus
    3. Cho T., Higaki H., Hirata M., Hojo H., Ichimura M., Ishii K., Islam K., Itakura A., Katanuma I., Kohagura J., Minami R., Nakashima Y., Numakura T., Saito T., Tatematsu Y., Yoshikawa M., Watanabe O., Kubota Y., Kobayashi T., Yamaguchi Y., Saimaru H., Higashizono Y., Miyata Y., Kiminami S., Shimizu K., Itou M., Ikuno T., Mase A., Yasaka Y., Sakamoto K., Yoshida M., Kojima A., Ogura K., Nishino N., Horton W., Kariya T., Imai T., Pastukhov V.P., Miyoshi S., Fusion Science and Technology, 51:2T (2007), 11–16  crossref  isi
    4. Pastukhov V.P., Chudin N.V., Fusion Science and Technology, 51:2T (2007), 34–39  crossref  isi
    5. Grigor'ev I.A., Pastukhov V.P., Plasma Physics Reports, 34:4 (2008), 265–277  crossref  adsnasa  isi  scopus
    6. JETP Letters, 90:10 (2009), 651–657  mathnet  crossref  isi
    7. Boxer A.C., Bergmann R., Ellsworth J.L., Garnier D.T., Kesner J., Mauel M.E., Woskov P., Nature Physics, 6:3 (2010), 207–212  crossref  mathscinet  adsnasa  isi  elib  scopus
    8. Pastukhov V.P., Chudin N.V., Smirnov D.V., Plasma Physics and Controlled Fusion, 53:5 (2011), 054015  crossref  adsnasa  isi  scopus
    9. Pastukhov V.P., Chudin N.V., Fusion Science and Technology, 59:1T (2011), 84–89  crossref  isi
    10. V. P. Budaev, S. P. Savin, L. M. Zelenyi, Phys. Usp., 54:9 (2011), 875–918  mathnet  crossref  crossref  adsnasa  isi
    11. Dlugach E.D., Mikhailova N.A., Skovoroda A.A., Plasma Physics Reports, 37:10 (2011), 823–828  crossref  adsnasa  isi  elib  elib  scopus
    12. Nebogatov V.A. Pastukhov V.P., Plasma Phys. Rep., 39:6 (2013), 467–478  crossref  adsnasa  isi  elib  scopus
    13. Vershkov V.A., Shelukhin D.A., Subbotin G.F., Dnestrovskij Yu.N., Danilov A.V., Melnikov A.V., Eliseev L.G., Maltsev S.G., Gorbunov E.P., Sergeev D.S., Krylov S.V., Myalton T.B., Ryzhakov D.V., Trukhin V.M., Chistiakov V.V., Cherkasov S.V., Nucl. Fusion, 55:6 (2015), 063014  crossref  isi  elib  scopus
    14. Pastukhov V.P. Smirnov D.V., Plasma Phys. Rep., 42:4 (2016), 307–318  crossref  isi  elib  scopus
    15. Dnestrovskij A.Yu. Pastukhov V.P. Chudin N.V., Plasma Phys. Rep., 43:4 (2017), 405–421  crossref  isi  scopus
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