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Homework Help: What's a Phonon?

  1. Aug 9, 2009 #1
    http://qm-web.library.qmul.ac.uk/exams/science/physics/2008/PHY108.pdf [Broken]

    Questions 9) and 10).

    The resources on them are scarce, can't seem to find understandable explanations for it, could anyone give me a hand here?
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Aug 9, 2009 #2

    diazona

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    Homework Helper

    I can't access the link you posted...
     
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