From c172f9ccfaefda66891d6067922ad6e1b7359f7a Mon Sep 17 00:00:00 2001
From: pfloos <pierrefrancois.loos@gmail.com>
Date: Wed, 8 Feb 2023 16:26:10 +0100
Subject: [PATCH] flow figure

---
 Fig/flow.tex | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Fig/flow.tex

diff --git a/Fig/flow.tex b/Fig/flow.tex
new file mode 100644
index 0000000..1a6ce7f
--- /dev/null
+++ b/Fig/flow.tex
@@ -0,0 +1,32 @@
+\documentclass[tikz]{standalone}
+\usepackage{physics}
+\usetikzlibrary{arrows.meta}
+\begin{document}
+
+\begin{tikzpicture}[]
+
+	% frame
+	\draw[-,thick] (0,0) node[anchor=north west]{} -- (5.5,0);
+	\draw[-,dash pattern=on 20pt off 2pt on 2pt off 2pt on 2pt off 2pt on 2pt off 2pt on 2pt off 2pt on 20pt,thick] (5,0) -- (7,0);
+	\draw[->,thick] (6.5,0) -- (8,0) node[anchor=west]{$s = \Lambda^{-2}$};
+	\draw[->,thick] (0,0) -- (0,4) node[midway,sloped,above]{\small flow of the quasiparticle equation};
+	
+	% vertical lines
+	\draw[-,dashed] (0.5,0) node[anchor=north]{$s = 0$} -- (0.5,4);
+	\draw[-,dashed] (3,0) node[anchor=north]{$s$} -- (3,4);
+	\draw[-,dashed] (7,0) node[anchor=north]{$s = \infty$} -- (7,4);
+	
+	% initial and final states
+	\draw[] (0.5,3.5) node[anchor=south west]{$\boldsymbol{F}^{(0)} + \boldsymbol{\Sigma}(\omega)$};
+	\draw[] (3,2.5) node[anchor=south west]{$\widetilde{\boldsymbol{F}}(s) + \widetilde{\boldsymbol{\Sigma}}(\omega; s)$};
+	\draw[] (7,1) node[anchor=west]{$\widetilde{\boldsymbol{F}}(s=\infty)$};
+	\draw[thick,magenta] (0.5,3.5) node{$\bullet$} ;	
+	\draw[thick,magenta] (3,2.5) node{$\bullet$} ;	
+
+	\draw[ultra thick,magenta,->]  plot [smooth] coordinates {(0.5,3.5) (1,3.25) (2,3) (3,2.5) (4,1.75) (5,1.25) (7,1)};
+
+%	\draw[thick,magenta,dash pattern=on 22pt off 2pt on 2pt off 2pt on 2pt off 2pt on 2pt off 2pt on 2pt off 2pt on 22pt] (5,1.25) node{$\bullet$} -- (7,1) node{$\bullet$};
+
+\end{tikzpicture}
+
+\end{document}