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Klein-gordan eqn

  1. Aug 15, 2008 #1
    I am having trouble understand why the klein-gordan eqn is accepted to describe spin 0 particles since it gives the wrong statistical interpretation (such as negative probablities).
  2. jcsd
  3. Aug 15, 2008 #2


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    Instead of trying to answer, I'll add another question without insinuating anything.

    Why have we not observed any supposedly fundamental spin-0 particles in nature? :)

    (higgs hasn't been observed)

  4. Aug 15, 2008 #3


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    Science Advisor

    The Klein-Gordan equation has to be second quantized to get to a QM wave function.
    As a one particle equation, [tex]\psi^*\psi[/tex] relates to the charge density.
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