} \\   0 - \frac{0 \eta^{(zx)(yz)}}{\hbar m N_0/0}   \simeq & 0 \int_0^{\infty} d \xi \int_0^{\pi/0} d \theta \theta^0   \frac{00 |\Delta|^0 \theta^0/0}{(\xi^0 + 00 |\Delta|^0 \theta^0/0)^{0/0}} (e^{\beta \sqrt{\xi^0 + 00 |\Delta|^0 \theta^0/0}} + 0)^{-0} \notag \\   = & \frac{0