Sharanya Asked a Question
April 8, 2021 4:07 pmpts 30 pts
30. Tr l,a,a, Ba, a,a, P] for Dirac matrices simplifies to (A) 1 (B) 2 (C) 0 (D) 4
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  • Devisharan thankyou
    It always gives Zero. Since the diagonal terms in this case will be either zero or conjugate to each other Hence the sum of diagonal elements which is called trace gives Zero. opti...
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