, $$\begin{aligned}     \label{efpot0}     A_{0} &=& (\gamma + \log(\pi)) (- \frac{ k_0 m^0}{0  k_0^0} -  \frac{0 m^0 \kappa^0}{00  k_0^0} + \frac{ m^0 \lambda}{0  k_0^0})  + \frac{0 k_0 m^0}{0  k_0^0} + \frac{ m^0 \kappa^0}{0  k_0^0} -  \frac{ m^0 \lambda}{0  k_0^0} \nonumber \\ && + 