Interstellar Neutrals, Pickup Ions, and Energetic Neutral Atoms Throughout the Heliosphere: Present Theory and Modeling Overview
Interstellar Neutrals, Pickup Ions, and Energetic Neutral Atoms Throughout the Heliosphere: Present Theory and Modeling Overview
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DOI：
10.1007/s11214-022-00883-6
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发表时间：
2022-04
影响因子：
10.3
通讯作者：
J. Sokół;H. Kucharek;I. Baliukin;H. Fahr;V. Izmodenov;M. Kornbleuth;P. Mostafavi;M. Opher;Jeewoo Park;N. Pogorelov;P. Quinn;Charles W. Smith;G. Zank;Ming Zhang
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文献类型：
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作者：
J. Sokół;H. Kucharek;I. Baliukin;H. Fahr;V. Izmodenov;M. Kornbleuth;P. Mostafavi;M. Opher;Jeewoo Park;N. Pogorelov;P. Quinn;Charles W. Smith;G. Zank;Ming Zhang
星际中性粒子（ISN）、拾取离子（PUI）和高能中性原子（ENA）是日光层及其与邻近星际介质相互作用的基本组成部分。在这里，我们专注于当今理论和这些粒子的建模的选定方面。在过去的几十年里，在理解PUI和ENA对全球日光层的作用及其与非常局部的星际介质的相互作用方面取得了令人印象深刻的进展，并且仍在增长。越来越多的测量允许验证和继续发展的理论和模型的尝试。我们提出了一个概述的各种模型描述的日光层和整个过程，包括动力学，流体和混合的解决方案。我们还讨论了理论，模型和测量解释之间的相互作用揭示了日光层及其理解的复杂性的主题。它们包括从地球附近进行的ISN，PUI和ENA测量的基于模型的解释。此外，我们描述了选定的过程超出地球轨道的日光层边界区域，在那里PUI显着贡献的复杂系统的全球日光层及其相互作用的VLISM。
Interstellar neutrals (ISNs), pick-up ions (PUIs), and energetic neutral atoms (ENAs) are fundamental constituents of the heliosphere and its interaction with the neighboring interstellar medium. Here, we focus on selected aspects of present-day theory and modeling of these particles. In the last decades, progress in the understanding of the role of PUIs and ENAs for the global heliosphere and its interaction with very local interstellar medium is impressive and still growing. The increasing number of measurements allows for verification and continuing development of the theories and model attempts. We present an overview of various model descriptions of the heliosphere and the processes throughout it including the kinetic, fluid, and hybrid solutions. We also discuss topics in which interplay between theory, models, and interpretation of measurements reveals the complexity of the heliosphere and its understanding. They include model-based interpretation of the ISN, PUI, and ENA measurements conducted from the Earth’s vicinity. In addition, we describe selected processes beyond the Earth’s orbit up to the heliosphere boundary regions, where PUIs significantly contribute to the complex system of the global heliosphere and its interaction with the VLISM.