angular momentum = cross product of position vector and linear momentum : then square of angular momentum is

Oct 2010
12
0
L = r X p
L square = (r X p) . ( r X p)= (rp) square -r(r.p).p + 2ih(bar) r.p

requirement of middle steps
 

topsquark

Forum Staff
Apr 2008
2,936
611
On the dance floor, baby!
As I don't know where you are in your vector manipulations I'll suggest this paper as a solid hint. If you need more explanation, just let us know.

-Dan