Fig. 3

The two-dimensional phase diagram of the system Eq. (11) for the case\(\:\:{\lambda\:}_{1}>0\) and \(\:{\lambda\:}_{2}<0\).
The two-dimensional phase diagram of the system Eq. (11) for the case\(\:\:{\lambda\:}_{1}>0\) and \(\:{\lambda\:}_{2}<0\).