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Selection Rules

  1. Sep 8, 2013 #1
    The selection rules state that:

    I can't figure out a case where Δml=0 and Δl=±1, can anyone help by giving an example? Thanks.
  2. jcsd
  3. Sep 8, 2013 #2


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    E.g. emission of light by an excited hydrogen atom with the electron being in a p_z (m=0, l=1) to the s orbital (m=0, l=0).
  4. Sep 9, 2013 #3
    Got it! Thanks!
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