Kolmogorov spectrum of superfluid turbulence: Numerical analysis of the Gross-Pitaevskii equation with a small-scale dissipation
Kolmogorov spectrum of superfluid turbulence: Numerical analysis of the Gross-Pitaevskii equation with a small-scale dissipation
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DOI：
10.1103/physrevlett.94.065302
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发表时间：
2005-02-18
影响因子：
8.6
通讯作者：
Tsubota, M
中科院分区：
文献类型：
--
作者：
Kobayashi, M;Tsubota, M
通过求解毛皮的含量方程来研究超流体湍流的能量光谱。我们介绍了仅在比愈合长度小的尺度上起作用的耗散术语，以消除短波长激励，这可能会阻碍惯性范围内量化涡流的级联进程。获得的能源谱与Kolmogorov法律一致。
The energy spectrum of superfluid turbulence is studied numerically by solving the Gross-Pitaevskii equation. We introduce the dissipation term which works only in the scale smaller than the healing length to remove short wavelength excitations which may hinder the cascade process of quantized vortices in the inertial range. The obtained energy spectrum is consistent with the Kolmogorov law.