表面磁场对太阳发电机的关键作用
太阳与恒星天体物理
2015-06-24 v1
摘要
太阳黑子以及在 11 年太阳活动周期过程中发生的众多其他现象，是磁通量在太阳表面浮现的结果。观测到的双极太阳黑子群的取向表明，它们起源于太阳对流层中的环向（方位角定向）磁通量。我们表明，由对流区半球内的较差自转产生的净环向磁通量取决于太阳表面浮现的磁通量，因此可以从观测到的磁场分布计算得出。环向磁通量的主要来源是极冠处大致偶极的表面磁场，其在活动周期的极小期附近达到峰值。
引用
@article{arxiv.1503.08469,
title = {The crucial role of surface magnetic fields for the solar dynamo},
author = {Robert Cameron and Manfred Schüssler},
journal= {arXiv preprint arXiv:1503.08469},
year = {2015}
}
备注
This manuscript has been accepted for publication in Science. This version has not undergone final editing. Please refer to the complete version of record at http://www.sciencemag.org/. The manuscript may not be reproduced or used in any manner that does not fall within the fair use provisions of the Copyright Act without the prior, written permission of AAAS