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Expansion of the exponential function

  1. May 2, 2015 #1
    Please delete, got mixed up, apologies.
  2. jcsd
  3. May 2, 2015 #2


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    I think you are confused. This approximation is for [itex] \hbar \omega << kT[/itex].
  4. May 2, 2015 #3
    Indeed got confused, mods please delete. sorry
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