Figure 3 | Scientific Reports

Figure 3

From: A study of quantum Berezinskii–Kosterlitz–Thouless transition for parity-time symmetric quantum criticality

Figure 3

These figures show behaviour of RG flow lines, \(g_r\) with K two different initial values \(g_i (0)\). The upper (Eq. 5) and lower (Eq. 4) panels are, respectively, for results of third and second order RG studies. We mark different regions of quantum phases by I, II, III and the separatrix by the red colour lines. The magenta colour line represent the fixed line.

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