^0 \bar{\phi} \bar{\phi} {}_{,a} \bar{\phi} {}^{,a} \bar{\phi} {}^{,b}{}_{,b}}{00 k_{0}^0 \pi^0} + \frac{0 k_{0} \kappa^0 \omega \bar{\phi} \bar{\phi} {}_{,a} \bar{\phi} {}^{,a} \bar{\phi} {}^{,b}{}_{,b}}{00 k_{0}^0 \pi^0} \nonumber \\      && -  \frac{ k_{0} \kappa^0 \