- #1
avkr
- 12
- 0
Homework Statement
Homework Equations
The Attempt at a Solution
[/B]
##\hat{S}_1.\hat{S}_2 = (S(S+1) - S_1(S_1 + 1) - S_2(S_2 + 1))/2##
therefore singlet: ##\psi_s = \frac{\phi_a (1)\phi_b(2)(\alpha(1)\beta(2) - \alpha(2)\beta(1))}{\sqrt(2)}##
So for singlet,
##\mathcal{V} = -\frac{K \psi_s}{2} - 0##
I need help in calculating in ##\frac{K \psi_s}{2}##