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Homework Help: Energy levels and Group theory

  1. Jun 18, 2009 #1
    1. The problem statement, all variables and given/known data
    Calculate the energy of the excited states of neon that is obtained by promoting one of the 2p electrons to the 3p shell. Use LS coupling, neglect spin-orbit interaction.

    2. Relevant equations
    The ground state cofiguration of Neon is 1s2, 2s2, 2p6.

    3. The attempt at a solution
    I can write down the hamiltonian in occupation number formalism, describe the states and start communting the operators untill I reach something that might look nice. Not entirely sure that that would work but anyhow. I am not at all sure that thats what I am supposed to do.

    I would like to use group theory to simplify this problem, but I dont really know how that could be done. Anyone can point me in some direction of give me something to reed?

    thanks you
    Last edited: Jun 18, 2009
  2. jcsd
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