- #1

darkfall13

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**[SOLVED] Normalization of wave functions**

Mainly my question is that with the normalization of a wave function in quantum mechanics we use [tex]\int_\infty^\infty |\Psi(x,t)|^2 dx = 1[/tex] and we can solve for a constant we may have been given in the problem.

## Homework Statement

Determine normalization constant:

[tex] \Psi(x) = A\cos{\frac{2\pi{x}}{L}} [/tex] for [tex] \frac{-L}{4} \leq x \leq \frac{L}{4} [/tex] and [tex] \Psi = 0 [/tex] elsewhere

## Homework Equations

## The Attempt at a Solution

I'm wondering if I'm given those boundaries because we can replace the infinities in the normal equation with these boundaries or would they be used for something else? Thank you!