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