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March 31, 2021 8:43 am 30 pts
47. Which of the statements is NOT correct for the free particle Dirac Hamiltonian ? (A) It commutes with the total angular momentum operator J B) It commutes with the helicity operator (C) t commutes with the spin operator S (D) It doesn't commute with the Dirac matrix B
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• Neeraj bangruwa
ans. option 3 is correct.