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Help with an approximation

  1. Feb 10, 2004 #1
    I'm doing a problem on Van-der Walls interaction and was told in the hint of the problem to use the approximation kT>>hw to simplify


    I have no idea how to apply this approximation to simpify the problem.
  2. jcsd
  3. Feb 10, 2004 #2


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    Do you remember differential approximation? (Or taylor series?) If kT >> hw, then (hw / kT)^2 is going to be negligibly small...
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