Options
1972
Journal Article
Titel
Evidence for strong pitch-angle diffusion within the polar cusps
Abstract
The authors propose that the magnetosheath plasma enters the magnetosphere along the zones of maximum tangential gradient drift velocity, thereby identifying them with the polar cusps. Then some of the characteristics of the observed particle population within the polar cusps can be explained if one further assumes that the inward drift motion of the particles couples to strong pitch-angle diffusion.