Current Driven Rotating Kink Mode in a Plasma Column with Non-Line-Tied Free End

Furno, I; Intrator, T P; Ryutov, D D; Abbate, S; Madziwa-Nussinov, T; Light, A; Dorf, L; Lapenta, G

doi:10.1103/PhysRevLett.97.015002

Title: Current Driven Rotating Kink Mode in a Plasma Column with Non-Line-Tied Free End

Journal Article · Tue Mar 28 00:00:00 EST 2006 · Physical Review Letters, vol. 97, no. 1, July 7, 2006, pp. 015002

DOI:https://doi.org/10.1103/PhysRevLett.97.015002· OSTI ID:894341

Furno, I; Intrator, T P; Ryutov, D D; Abbate, S; Madziwa-Nussinov, T; Light, A; Dorf, L; Lapenta, G

First experimental measurements are presented for the kink instability in a linear plasma column which is insulated from an axial boundary by finite sheath resistivity. Instability threshold below the classical Kruskal-Shafranov threshold, axially asymmetric mode structure and rotation are observed. These are accurately reproduced by a recent kink theory, which includes axial plasma flow and one end of the plasma column that is free to move due to a non-line-tied boundary condition.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: W-7405-ENG-48

OSTI ID:: 894341

Report Number(s):: UCRL-JRNL-220196; TRN: US0700149

Journal Information:: Physical Review Letters, vol. 97, no. 1, July 7, 2006, pp. 015002, Journal Name: Physical Review Letters, vol. 97, no. 1, July 7, 2006, pp. 015002

Country of Publication:: United States

Language:: English

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