Basic Space Plasma Physics
...inversely proportional to the square root of the
The collisional term is defined by R = Rei
= Rie ...
...reveals another interesting property. Since vn and Bn are constant, the tangential velocity and tangential magnetic field difference vectors are parallel. Magnetic field strength and thermal pressure are each continuous across the discontinuity...
v is errorneously shown to be constant across a rotational discontinuity in the second panel from the bottom on the right-hand side. In fact, only vn is constant across a RD.
The upper equation should read: