Fig. 5.

Motions of the four populations of high energy solar wind H⁺ ions in the nominal run with initial energies (a) 50 keV H_h1⁺ ions, (b) 200 keV H_h2⁺ ions, (c) 600 keV H_h3⁺ ions and (d) 3.2 MeV H_h4⁺ ions. These ions were generated near the x = 10,000 km and y = −18,000 km planes. The velocity vector of the ions was in the −B_sw direction and their temperature was assumed to be zero. In the panels shown on the left, middle and on the right the view is from above the North Pole; on the dusk side and on the tail side, respectively. The colours provided in the z = 0 plane (left columns), in the y = 0 plane (middle columns) and in the x = 0 plane (right columns) represent the total magnetic field. The white lines show the orbits of high energy H⁺ test particles. The horizontal and the vertical lengths are each from −10,000 km to 10,000 km.