Auroral Physics
A special issue of Universe (ISSN 2218-1997). This special issue belongs to the section "Space Science".
Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 17416
Special Issue Editors
Interests: heliospheric physics; cosmic ray; interstellar gas; interstellar magnetic field; radiation belt
Interests: space weather; aurora physics
Interests: planetary aurorae; particle energization and X-ray emission at Jupiter; magnetic reconnection and magnetic dipolarization in planetary magnetospheres
Special Issue Information
Dear Colleagues,
The auroras are very amazing universal phenomena, widely present in solar system planets and particularly those with global magnetic fields and atmospheres, e.g., Earth, Jupiter, Saturn, Neptune, Uranus. They are believed to be powered by the interaction of solar wind with the planetary system and produced through the collision of precipitating charged particles and upper atmosphere.
There are still, however, crucial gaps in our knowledge about the physical mechanisms and dynamic processes of the various types of auroras—for instance, the acceleration mechanisms of precipitating electrons for discrete auroras, the mechanisms responsible for pitch angle scattering of electrons and protons responsible for diffuse aurora, the physical processes related to the spatiotemporal structuring of discrete and diffuse auroras, and so on. The developments of aurora observations have promoted the explanations of auroral phenomenology, but they often fall short in key aspects and lack a unified theoretical framework. Furthermore, while some similar auroral phenomena have been identified in other planets, there are also significant differences. Based on the similarities and differences among planets, we could potentially assess the basic ideas of auroral processes. Many new satellite programs and observation programs have been implemented recently, providing unprecedented opportunities to further explore the physical mechanisms behind auroras.
Potential topics include but are not limited to:
- Auroral morphology;
- Auroral instruments;
- Auroral acceleration region;
- Auroras in the planetary system;
- Auroral particles precipitation;
- Wave–particle interaction related to auroras;
- Substorms and storms auroras.
Prof. Dr. Qiugang Zong
Prof. Dr. Zejun Hu
Dr. Zhonghua Yao
Dr. Jianjun Liu
Guest Editors
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Keywords
- auroral physics
- discrete and diffuse auroras
- auroral substorms
- shock aurora
- wave-particle interaction
- ULF wave
- day-side and night-side reconnections
- kelvin-helmholtz instability
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