Sharanya posted an Question
April 08, 2021 • 21:37 pm 30 points
  • CSIR NET
  • Physical Sciences

30. tr l,a,a, ba, a,a, p] for dirac matrices simplifies to (a) 1 (b) 2 (c) 0 (d) 4

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 best-answer

    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. option C is correct.

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