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A convention is a set of agreed, stipulated, or generally accepted norms. It typically helps common efficiency or understanding but is not required, as opposed to a strict standard or protocol.
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$(\psi_L^\dagger \psi_R)^\dagger \neq (\psi_R^\dagger \psi_L)^\dagger$ ? What is the transpo...
There should be no special "minus" sign for transposing a single spinor, yet here the minus sign must appear when you transpose the quantity $\psi_L^\dagger \psi_R$ because when you transpose it an or …