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Occupation probabilities of atomic gas

  1. May 1, 2008 #1
    1. The problem statement, all variables and given/known data
    Three-energy levels atomic gas is confined in the thermostat and subjected to an external radiation field (w=e3-e1 ). Determine occupation probabilities of the energy levels and the conditions for a coherent spontaneous radiation.


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. May 1, 2008 #2

    olgranpappy

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    relevant equations? attempt at solution?
     
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