Figure 4

Normalized cross-Wigner. (a) The real part (\(\text {Re}[{\mathscr{C}}{\mathscr{W}}]_{\Psi ,\psi _0}\)) as a function of x and k for \(t=50\) ms, for \(\tau =50\) ms and \(\gamma =0\) (b) The imaginary part (\(\text {Im}[{\mathscr{C}}{\mathscr{W}}]_{\Psi ,\psi _0}\)) with the same parameters .