MHD ballooning stability of a sheared plasma sheet

被引:24
作者
Hurricane, OA
机构
[1] Department of Physics, University of California, Los Angeles
[2] Department of Physics, University of California at Los Angeles, Los Angeles, CA 90095-1547
关键词
D O I
10.1029/97JA01595
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A three magnetic field component sheared plasma sheet equilibrium model is developed in the context of ideal magnetohydrodynamics (MHD). It is argued that MHD stability theory may be sufficiently correct for a thin sheet if the shear in the magnetic field is large enough. Using the model magnetic field, the ballooning eigenvalue equation is solved for several different values of equilibrium parameters. It is shown that for sufficiently large values of the shear parameter, the model is unstable to symmetric ballooning modes with a growth rate on the order of one tenth the Alfven rate.
引用
收藏
页码:19903 / 19911
页数:9
相关论文
共 25 条
  • [1] AN ENERGY PRINCIPLE FOR HYDROMAGNETIC STABILITY PROBLEMS
    BERNSTEIN, IB
    FRIEMAN, EA
    KRUSKAL, MD
    KULSRUD, RM
    [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1958, 244 (1236): : 17 - 40
  • [2] SHEAR, PERIODICITY, AND PLASMA BALLOONING MODES
    CONNOR, JW
    HASTIE, RJ
    TAYLOR, JB
    [J]. PHYSICAL REVIEW LETTERS, 1978, 40 (06) : 396 - 399
  • [3] Consequences of particle conservation along a flux surface for magnetotail tearing
    Guest, KB
    Karimabadi, H
    Brittnacher, M
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1996, 101 (A1) : 179 - 183
  • [4] CHARACTERIZATION OF LOW-FREQUENCY OSCILLATIONS AT SUBSTORM BREAKUP
    HOLTER, O
    ALTMAN, C
    ROUX, A
    PERRAUT, S
    PEDERSEN, A
    PECSELI, H
    LYBEKK, B
    TRULSEN, J
    KORTH, A
    KREMSER, G
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1995, 100 (A10) : 19109 - 19119
  • [5] THE STABILITY OF A STOCHASTIC PLASMA WITH RESPECT TO LOW-FREQUENCY PERTURBATIONS
    HURRICANE, OA
    PELLAT, R
    CORONITI, FV
    [J]. PHYSICS OF PLASMAS, 1995, 2 (01) : 289 - 293
  • [6] THE KINETIC RESPONSE OF A STOCHASTIC PLASMA TO LOW-FREQUENCY PERTURBATIONS
    HURRICANE, OA
    PELLAT, R
    CORONITI, FV
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1994, 21 (04) : 253 - 256
  • [7] A NEW APPROACH TO LOW-FREQUENCY MHD-LIKE WAVES IN MAGNETOSPHERIC PLASMAS
    HURRICANE, OA
    PELLAT, R
    CORONITI, V
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1995, 100 (A10) : 19421 - 19428
  • [8] Instability of the Lembege-Pellat equilibrium under ideal magnetohydrodynamics
    Hurricane, OA
    Pellat, R
    Coroniti, FV
    [J]. PHYSICS OF PLASMAS, 1996, 3 (06) : 2472 - 2474
  • [9] HURRICANE OA, 1994, THESIS U CALIF LOS A
  • [10] STRUCTURE OF MAGNETOTAIL CURRENT SHEET
    KAN, JR
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1973, 78 (19): : 3773 - 3781