I am doing a calculation of overlap between wavefunctions in a physics thesis, however this integral puzzles me:
\int_{-L/2+\kappa a^{2}}^{\infty} e^{-\frac{1}{2a^{2}}y^{2}} dy
From a physic point of view it is very important that the integral is from -L/2+\kappa a^{2} and not from -\infty. I...