$\begin{figure} \par\includegraphics[width=7.9cm,clip]{0505fig1.eps}\vspace*{6mm} \par\includegraphics[width=8cm,clip]{0505fig2.eps}\end{figure}$ Figure 1: The spatial profile of the perturbed mass density $\delta \varrho (x,z,t=25)$ ( top panel) and its cross-section at z=5 ( bottom panel). These profiles correspond to the limit of cold plasma.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=7.6cm,clip]{0505fig3.eps}\vspace*{6mm} \par\includegraphics[width=7.2cm,clip]{0505fig4.eps}\end{figure}$ Figure 2: The spatial profile of the perturbed mass density $\delta \varrho (x,z,t=25)$ for the initial amplitude V_x0=0.1 ( top panel) and its cross-section at z=5 ( bottom panel) in the case of warm plasma. The position of the initial pulse (-5, 0) is visible.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=7.2cm,clip]{0505fig5.eps}\end{figure}$ Figure 3: Time signatures which are obtained by measuring the mass density at the detection point $x=0.0,\;$ z=0 (solid line), z=10 (dotted line), z=20 (dashed line), for the initial amplitude V_x0=0.1.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=3.6cm,clip]{0505fig6.eps}\hspace*{9mm}... ...8.eps}\hspace*{9mm} \includegraphics[width=3.6cm,clip]{0505fig9.eps}\end{figure}$ Figure 4: The cross-section of the perturbed mass density $\delta \varrho (x,z=12.5,t=30)$ in the case of V_x0=0.1 ( left top panel), V_x0=0.5 ( right top panel), V_x0=1.0 ( left bottom panel) and V_x0=2.0 ( right bottom panel).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=6.7cm,clip]{0505fi12.eps}\end{figure}$ Figure 6: The cross-section of the mass density $\varrho (x,z=5.0,t=0)$ (solid line), $\varrho (x,z=5.0,t=15)$ (dashed line) and $\varrho (x,z=5.0,t=25)$ (dotted line) in the case of V_x0=2.0, $\varrho _{x0}=2.0$ and p_x0=2.0.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=6.9cm,clip]{0505fi13.eps}\end{figure}$ Figure 7: Time signatures which are obtained by measuring the mass density at the detection point $x=0.0,\;$ z=0 (solid line), z=10 (dotted line), z=20 (dashed line), for V_x0=2.0, $\varrho _{x0}=2.0$ and p_x0=2.0.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=7.9cm,clip]{0505fig1.eps}\vspace*{6mm} \par\includegraphics[width=8cm,clip]{0505fig2.eps}\end{figure}$	Figure 1: The spatial profile of the perturbed mass density $\delta \varrho (x,z,t=25)$ ( top panel) and its cross-section at z=5 ( bottom panel). These profiles correspond to the limit of cold plasma.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7.6cm,clip]{0505fig3.eps}\vspace*{6mm} \par\includegraphics[width=7.2cm,clip]{0505fig4.eps}\end{figure}$	Figure 2: The spatial profile of the perturbed mass density $\delta \varrho (x,z,t=25)$ for the initial amplitude V_x0=0.1 ( top panel) and its cross-section at z=5 ( bottom panel) in the case of warm plasma. The position of the initial pulse (-5, 0) is visible.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7.2cm,clip]{0505fig5.eps}\end{figure}$	Figure 3: Time signatures which are obtained by measuring the mass density at the detection point $x=0.0,\;$ z=0 (solid line), z=10 (dotted line), z=20 (dashed line), for the initial amplitude V_x0=0.1.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=3.6cm,clip]{0505fig6.eps}\hspace{9mm}... ...8.eps}\hspace{9mm} \includegraphics[width=3.6cm,clip]{0505fig9.eps}\end{figure}$	Figure 4: The cross-section of the perturbed mass density $\delta \varrho (x,z=12.5,t=30)$ in the case of V_x0=0.1 ( left top panel), V_x0=0.5 ( right top panel), V_x0=1.0 ( left bottom panel) and V_x0=2.0 ( right bottom panel).
Open with DEXTER

$\begin{figure} \par\includegraphics[width=6.7cm,clip]{0505fi10.eps}\vspace*{1cm} \par\includegraphics[width=6.7cm,clip]{0505fi11.eps}\end{figure}$	Figure 5: The mass density $\varrho (x,z,t=10)$ ( top panel) and $\varrho (x,z,t=35)$ ( bottom panel) in the case of V_x0=2.0, $\varrho _{x0}=2.0$ and p_x0=2.0.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=6.7cm,clip]{0505fi12.eps}\end{figure}$	Figure 6: The cross-section of the mass density $\varrho (x,z=5.0,t=0)$ (solid line), $\varrho (x,z=5.0,t=15)$ (dashed line) and $\varrho (x,z=5.0,t=25)$ (dotted line) in the case of V_x0=2.0, $\varrho _{x0}=2.0$ and p_x0=2.0.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=6.9cm,clip]{0505fi13.eps}\end{figure}$	Figure 7: Time signatures which are obtained by measuring the mass density at the detection point $x=0.0,\;$ z=0 (solid line), z=10 (dotted line), z=20 (dashed line), for V_x0=2.0, $\varrho _{x0}=2.0$ and p_x0=2.0.
Open with DEXTER