Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Symmetry in QED

  1. Feb 8, 2014 #1
    I understand that the QED Lagrangian is invariant under the CPT transformation.

    Is it also invariant under C, P or T separately?
  2. jcsd
  3. Feb 8, 2014 #2


    User Avatar
    Science Advisor

    Yes it is. In fact, proving that is a lot easier than proving CPT invariance.

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Symmetry in QED
  1. Feynman's QED (Replies: 28)

  2. Qed and probability (Replies: 2)

  3. QED questions (Replies: 1)

  4. Photons and QED (Replies: 26)

  5. QED Theory (Replies: 8)