期刊
ASTROPHYSICAL JOURNAL
卷 559, 期 1, 页码 304-306出版社
UNIV CHICAGO PRESS
DOI: 10.1086/322351
关键词
ISM : magnetic fields; methods : analytical; MHD; turbulence
We find that in the kinematic limit, the ensemble-averaged square of the curvature of magnetic field lines is exponentially amplified in time by the turbulent motions in a highly conductive plasma. At the same time, the ensemble-averaged curvature vector exponentially decays to zero. Thus, independently of the initial conditions,, the fluctuation field becomes very curved, and the curvature vector becomes highly isotropic.
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