Free Access

Fig. 6.

image

Notation for the magnetic field near a current sheet in the Rz-plane due to the sum of (a) a ring of nulls at radius and (b) a current sheet of length L. The sheet may be replaced by (c) a set of current rings of radius between and . Just to the right of the centre C of the sheet, the magnetic field is , while at the outer edge N of the current sheet the field is .

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.