Answer Happy

Provide step by step solution with formulas and explanation.
Give details regarding the problem. Topic: Griffith’s Time
Evolution Operator, Spin Precession. NOTE: Do not copy from other
expert answer. It will be reported as plagiarism.
= D. We have the given magnetic field as B = B.J. At the initial condition that at t=0, we have y(t = 0) = 1). Demonstrate that (sz(t)) and (SX(t)) varies proportionally with cos(yBet) and S precesses about the y axis.