All Figures

$\begin{figure} \par\includegraphics[width=14.4cm,clip]{1675fig1.eps}\end{figure}$ Figure 1: 3D visualization of the magnetic field intensity $\vert\mbox{\boldmath$B$ }\vert$ above the threshold $B_{{\rm th}} = 1.2$ $\times$ 10^-4 G ( left panel) and of the electric field intensity $\vert\mbox{\boldmath$E$ }\vert$ above the threshold $E_{{\rm th}} = 1.2$ $\times$ 10^-7 statvolt cm^-1 ( right panel).
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In the text

$\begin{figure} \par\includegraphics[width=7.2cm,clip]{1675fig2.eps}\end{figure}$ Figure 2: PDFs of the three components of the electric field: the solid, dashed, and dot-dashed lines represent the PDFs of E_x, E_y, and E_z respectively.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{1675fig3.eps}\end{figure}$ Figure 3: Trajectory of a test electron.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{1675fig4.eps}\end{figure}$ Figure 4: Part of the time evolution of the kinetic energy of a test electron ( upper panel), the associated electric field intensity along the trajectory ( middle panel), and the cosine of the angle $\alpha$ between the particle velocity and the electric field ( lower panel).
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In the text

$\begin{figure} \par\includegraphics[width=7.9cm,clip]{1675fig5.eps}\end{figure}$ Figure 5: Trajectory of a test proton.
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In the text

$\begin{figure} \par\includegraphics[width=8.15cm,clip]{1675fig6.eps}\end{figure}$ Figure 6: Part of the time evolution of the kinetic energy of a test proton ( upper panel), the associated electric field intensity along the trajectory ( middle panel), and the cosine of the angle $\alpha$ between the particle velocity and the electric field ( lower panel).
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In the text

$\begin{figure} \par\includegraphics[width=7.4cm,clip]{1675fig7.eps}\end{figure}$ Figure 7: Kinetic energy probability density function of 10⁴ test electrons at the initial time t=0 (dotted curve), and after t=1 s (dashed curve), t=30 s (dot-dashed curve), t=300 s (solid curve).
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In the text

$\begin{figure} \par\includegraphics[width=7.4cm,clip]{1675fig8.eps}\end{figure}$ Figure 8: Kinetic energy probability density function of 10⁴ test protons at the initial time t=0 (dotted curve), and after t=1 s (dashed curve), t=30 s (dot-dashed curve), t=300 s (solid curve).
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In the text

$\begin{figure} \par\includegraphics[width=7.4cm,clip]{1675fig9.eps}\end{figure}$ Figure 9: Kinetic energy probability density function of 10⁴ test He⁺ ions at the initial time t=0 (dotted curve), and after t=1 s (dashed curve), t=30 s (dot-dashed curve), t=300 s (solid curve).
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In the text

$\begin{figure} \par\includegraphics[width=14.4cm,clip]{1675fig1.eps}\end{figure}$	Figure 1: 3D visualization of the magnetic field intensity $\vert\mbox{\boldmath$B$ }\vert$ above the threshold $B_{{\rm th}} = 1.2$ $\times$ 10^-4 G ( left panel) and of the electric field intensity $\vert\mbox{\boldmath$E$ }\vert$ above the threshold $E_{{\rm th}} = 1.2$ $\times$ 10^-7 statvolt cm^-1 ( right panel).
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$\begin{figure} \par\includegraphics[width=7.2cm,clip]{1675fig2.eps}\end{figure}$	Figure 2: PDFs of the three components of the electric field: the solid, dashed, and dot-dashed lines represent the PDFs of E_x, E_y, and E_z respectively.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{1675fig3.eps}\end{figure}$	Figure 3: Trajectory of a test electron.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{1675fig4.eps}\end{figure}$	Figure 4: Part of the time evolution of the kinetic energy of a test electron ( upper panel), the associated electric field intensity along the trajectory ( middle panel), and the cosine of the angle $\alpha$ between the particle velocity and the electric field ( lower panel).
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$\begin{figure} \par\includegraphics[width=7.9cm,clip]{1675fig5.eps}\end{figure}$	Figure 5: Trajectory of a test proton.
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$\begin{figure} \par\includegraphics[width=8.15cm,clip]{1675fig6.eps}\end{figure}$	Figure 6: Part of the time evolution of the kinetic energy of a test proton ( upper panel), the associated electric field intensity along the trajectory ( middle panel), and the cosine of the angle $\alpha$ between the particle velocity and the electric field ( lower panel).
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$\begin{figure} \par\includegraphics[width=7.4cm,clip]{1675fig7.eps}\end{figure}$	Figure 7: Kinetic energy probability density function of 10⁴ test electrons at the initial time t=0 (dotted curve), and after t=1 s (dashed curve), t=30 s (dot-dashed curve), t=300 s (solid curve).
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$\begin{figure} \par\includegraphics[width=7.4cm,clip]{1675fig8.eps}\end{figure}$	Figure 8: Kinetic energy probability density function of 10⁴ test protons at the initial time t=0 (dotted curve), and after t=1 s (dashed curve), t=30 s (dot-dashed curve), t=300 s (solid curve).
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$\begin{figure} \par\includegraphics[width=7.4cm,clip]{1675fig9.eps}\end{figure}$	Figure 9: Kinetic energy probability density function of 10⁴ test He⁺ ions at the initial time t=0 (dotted curve), and after t=1 s (dashed curve), t=30 s (dot-dashed curve), t=300 s (solid curve).
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