日冕中的弱可压缩磁流体动力学湍流
Weak compressible magnetohydrodynamic turbulence in the solar corona.
作者信息
Chandran Benjamin D G
机构信息
Space Science Center and Department of Physics, University of New Hampshire, Durham, 03824, USA.
出版信息
Phys Rev Lett. 2005 Dec 31;95(26):265004. doi: 10.1103/PhysRevLett.95.265004. Epub 2005 Dec 29.
This Letter presents a calculation of the power spectra of weakly turbulent Alfvén waves and fast magnetosonic waves ("fast waves") in low- plasmas. It is shown that three-wave interactions transfer energy to high-frequency fast waves and, to a lesser extent, high-frequency Alfvén waves. High-frequency waves produced by MHD turbulence are a promising explanation for the anisotropic heating of minor ions in the solar corona.
本信函给出了低密度等离子体中弱湍流阿尔文波和快磁声波（“快波”）功率谱的计算结果。结果表明，三波相互作用将能量转移到高频快波，较弱程度上也转移到高频阿尔文波。磁流体动力学湍流产生的高频波是对日冕中次要离子各向异性加热的一个有前景的解释。
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