_0/0, y=\varphi/0, z=|\beta|/0$ that $$\begin{aligned} {\rm Gap}(\Delta_0;\alpha,\beta)= G\left(\frac{l_0}{0},\frac{\varphi i}{0},\frac{|\beta|}{0}\right)+ S\left(\frac{l_0}{0},\frac{\varphi i}{0},\frac{|\beta|}{0}\right)