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Questions tagged [cpt-symmetry]

Use this tag for questions related to CPT symmetry, as relevant to quantum computing or quantum information theory. Charge, parity, and time reversal symmetry is a fundamental symmetry of physical laws under the simultaneous transformations of charge conjugation (C), parity transformation (P), and time reversal (T). CPT is the only combination of C, P, and T that is observed to be an exact symmetry of nature at the fundamental level (Wikipedia).

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Eigenvalues of CPT operator

Suppose we define an operator CPT that carries out the CPT transformation: $$\text{CPT}|\Psi\rangle = A|\Psi\rangle$$ where A is just a constant. Or put another way, the states of our theory are ...
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What is the “CP” operation in the context of anti-particles? [closed]

In this question on Quora: What is meant by "the photon is its own antiparticle"?, an answer is given which states: In quantum theory, we have a procedure for transforming the wave function of a ...