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Finding the possible values of Lz

  • Thread starter dg88
  • Start date
  • #1
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Hi,

I just came across a question that goes like this:

Consider an electron in a state |l=3, s=1/2, j=5/2,mj=3/2>

1) Find the possible values of Lz in this state.

2) Find the expectation value of Lz in this state.

It would be great if some one could guide with this question.

Thanks
 

Answers and Replies

  • #2
malawi_glenn
Science Advisor
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we never give full solutions..

however, I can give you a hint:

expand |l=3, s=1/2, j=5/2,mj=3/2> in the basis of |l,m_l> and |s,m_s>

using a clebsh gordan table

if l = 3 and s = 1/2 and m_j = 3/2, then you can find out what m_l and m_s is contributing to this state since m_j = m_s + m_l (scalar addition)
 
  • #3
10
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thanks lot for your help.....Actally I am having some trouble unerstanding this whole conceptI will tr it out.
 
Last edited:
  • #5
malawi_glenn
Science Advisor
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how's it going?
 

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