Mesoscale Structures

这项提议的目的是更好地了解地球磁尾电流片的物理学。 PI将澄清的作用，作为电流载体，带电粒子，不服从的指导中心近似。 这项研究将集中在中尺度结构的详细建模上，而不是试图生成整个尾部的不太精确的模型。 还将开发一系列磁场模型和相应的模型电流片。 最后，一个特定的磁场模型将测试的建议，离子轨道类型的变化在尾巴可以是重要的极光场对齐或Birkeland电流的产生。 ***

The objective of this proposal is to better understand the physics of the current sheet in the Earth's magnetotail. The PIs will clarify the role, as current carriers, of charged particles that do not obey the guiding center approximations. The study will concentrate on the detailed modeling of mesoscale structures rather than on an attempt to generate less exact models of the entire tail. A series of magnetic field models and corresponding model current sheets will also be developed. Finally, a specific magnetic field model will test the suggestion that variations in ion orbit types in the tail can be important to the generation of auroral field-aligned or Birkeland currents. ***