Some books prove CPT theorem basing on scalars,vectors, tensors building from 4-spinor of fermion and gamma matrices.Why can they do that?Because a general Lagrangian can contain bose scalar,bose vector,bose tensor fields and spinor fields.(adsbygoogle = window.adsbygoogle || []).push({});

The CPT theorem says CPT symmetry is a strictly correct.What about the PT symmetry,is it also strictly correct because it is Lorentz transformation?

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# B About CPT symmetry

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