Homework Help: Parity operator

1. Mar 3, 2007

UrbanXrisis

just wondering... does the parity operator squared give the identity operator?

2. Mar 3, 2007

HallsofIvy

What, exactly, is the definition of the "parity operator"?

3. Mar 3, 2007

what would happen if you take a wave function Psi and apply the Parity operator twice?
try it

4. Mar 3, 2007

UrbanXrisis

hehe... so it WOULD be an like the identity operator

5. Mar 3, 2007

6. Mar 4, 2007

HallsofIvy

Oh. I thought this was a MATH problem!