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Energy loss in collision in oscillator

  1. Jul 23, 2010 #1
    Is there any loss of energy of a particel (electron) while getting collission with the walls of a finite square/rectangular barrier?
    since there is a enormous no. of collision a particle takes.
  2. jcsd
  3. Jul 23, 2010 #2
    No, the electron may tunnel through.
  4. Jul 23, 2010 #3
    so is it a elastic collision?
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