湍流感应大尺度磁场的观测
等离子体物理
2007-05-23 v2 流体动力学
摘要
将轴对称磁场施加到球形的液态钠湍流中。测量到一个感应的磁偶极矩，该偶极矩无法通过轴对称平均流与所施加磁场的相互作用产生，表明存在湍流电动势。结果表明，对于任何轴对称层流，感应偶极矩都应消失。还观察到从施加的极向磁场产生环向磁场（omega效应）。讨论了其在产生感应偶极矩中的潜在作用。
引用
@article{arxiv.physics/0511029,
title = {Observation of a Turbulence-Induced Large Scale Magnetic Field},
author = {E. J. Spence and M. D. Nornberg and C. M. Jacobson and R. D. Kendrick and C. B. Forest},
journal= {arXiv preprint arXiv:physics/0511029},
year = {2007}
}
备注
5 pages, 4 figures Revisions to accomodate peer-reviewer concerns; changes to main text including simplification of a proof, Fig. 2 updated, and minor typos and clarifications; Added refrences. Resubmitted to Phys. Rev. Lett