Figure 4
From: Topological classification of dynamical quantum phase transitions in the xy chain
Plot of \({\text {Im}}\{\varphi _q\}\) (left panels) and \(N^{GGE}_q\) (right panel) as a function of the momentum q for different values of the quench duration: \(\tau = 0\) (black dashed), \(\tau = 1\) (green), \(\tau = 10\) (blue) and \(\tau = 100\) (red). Quench parameters: Top figures \((h_0, \gamma _0) = (2,1.5)\), \((h_1, \gamma _1) = (-2,1.5)\), Bottom figures \((h_0, \gamma _0) = (2,-2)\), \((h_1, \gamma _1) = (-0.5,0.2)\).
