\(-e^{2\ G\ H}\left\{\frac{1}{H^{2}}\left[e^{H^{2}t_{f}}\text{\ erfc}\left(\frac{G}{\sqrt{t_{f}}}+H\sqrt{t_{f}}\right)-e^{H^{2}t_{0}}\text{\ erfc}\left(\frac{G}{\sqrt{t_{0}}}+H\sqrt{t_{0}}\right)\right]-\frac{1}{H^{2}\ \sqrt{\pi}}\int_{t_{0}}^{t_{f}}{\ \frac{\left(\frac{G}{\sqrt{t}}-H\sqrt{t}\right)\ e^{H^{2}t}\ e^{-\left(\frac{G}{\sqrt{t}}+H\sqrt{t}\right)^{2}}\ }{t}\text{dt}}\right\}\) |
(24) |