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CPT Theorem

  1. Apr 27, 2015 #1
    Are all the hermitian and lorentz invariant lagrangians, invariant under the combination of CPT?

    If yes, how can it be proved?
  2. jcsd
  3. Apr 27, 2015 #2


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    Gold Member


    Here is a rigorous proof of the CPT-theorem...

    In a general framework, Lorentz invariance is not needed for CPT symmetry to exist. Neither the violation of CPT would necessarily mean the violation of Lorentz invariance.
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