URL https://www.researchgate.net/publication/362922084/figure/fig1/AS:11431281080900917@1661436820921/Schematic-renormalization-group-flows-at-criticality-with-U-e-2-r-from-the-viewpoint_Q320.jpg
URL2 https://www.researchgate.net/figure/Schematic-renormalization-group-flows-at-criticality-with-U-e-2-r-from-the-viewpoint_fig1_362922084
