太阳分层大气多成份磁流体的波动研究

Corona waves are now observed with increased temporal and spatial resolution, and attract more and more attentions. There has ongoing debate about the physical natures of these waves. By using multi-species magnetohydrodynamic model in solar stratified atmosphere, which consists of neutral hydrogens, electrons and protons, we are able to study the characteristics of waves and their propagation more realistically. We expect to improve the understanding of observation by comparing with theoretical and numerical results.

高分辨率的观测卫星得到了丰富的太阳日面的观测事件, 其中大尺度的波动现象得到了普遍关注. 对于它们之间的关联和理论解释还存在很多的争议和问题. 通过分层太阳大气多组分(包含中性氢, 电子和质子)的磁流体力学模型, 理论和数值研究波动的转播和演化特性, 对观测数据进行分析并和理论数值结果比较, 期待能更完善和自洽地解释观事件的特征.

采用多成分磁流体力学模型, 研究和分析了太阳分层大气宏观波动的性质和传播特征。选取相关观测事例进行了分析和数值研究，结论支持观测提取的相应太阳大尺度波动符合部分电离的快磁流体力学波特征。深入研究了等离子体波动特性，并在磁层丰富的观测数据分析基础上应用数值模型和实验粒子模型探讨了各种波模的特性，结果有助于更进一步地理解辐射带的动力学过程。