Opening of the Magnetic Field Lines in a Fast Rotating Magnetosphere, with an Application to Jupiter

J. J. Aly
1985 Symposium - International astronomical union  
In this Communication, we consider a simple model of magnetosphere around a fast rotating Jupiter–like object possessing a spin–aligned dipolar moment μ. In this model, low–energy plasma released by inner sources located beyond the corotation radius diffuses outward through closed lines, forming a thin equatorial disk in which there is a quasistatic balance between the centrifugal force and the magnetic tension. At some critical radius r0, however, the magnetic field is no longer strong enough
more » ... o hold the matter, and blows open, the matter escaping freely (Fig. 1) (this model has been introduced by Hill and Carbary, 1978).
doi:10.1017/s0074180900075641 fatcat:aokk35vbdbc2nhnaxnd6asp23y