Question

The Bloch equations, modified to include relaxation effects, thus become Mx x - -woMy dt dM dt 2 dMz where Mo is related to the strength of the applied (static) field Bo through the magnetic susceptibility: Mo ^Bo Question 2 For the steady-state solution to the Bloch equations, assume that M can be expressed as follows where Mz,X', andx" do not change with time. Solve these equations to derive the expression for x" given in eqn 28. [Hint: if A cos(wt) +Bsin(wt) 0 is to hold for all times t, both coefficients A and B must be zero woXoT2 (28)

Answer 1

2) 20 d t 0 2. (:KA, 1s,»,-bg")k.ut +보x.hr)-.. ton b 4 しǐn ut tottれuha rキ tempau..J

dt 2. -)781 χ Ho 0

o 2 0