Akash posted an Question
June 13, 2021 • 23:20 pm 30 points
  • CSIR NET
  • Physical Sciences

32. the hamiltonian of a spin particle in a magnetic field b is given by h = - ub o. where is a real constant and o = (o,. o, o.) are the pauli spin matrices. i

32. The Hamiltonian of a spin particle in a magnetic field B is given by H = - uB o. where is a real constant and o = (o,. o, o.) are the Pauli spin matrices. If B = (Bo. Bo. 0) and the spin state at time r = 0 is an eigenstate of o,, then of the expectation values (o,), (o,) and (o.)- (A) only (o,) changes with time (B) only (o,) changes with time (C) only (o,) changes with time (D) all three change with time

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