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Bloch equations
BM
M
τ
g
dt
d
0
td
Md
,
BM
td
Md
,
BM
td
Md
z
x
y
y
x
g
g
L
0
y
y
L
0
x
x
t)
sin( M)t(M , t)
cos(
M)t(M
w
w
Felix Bloch
•
w
L
gB
;
Larmor frequency
• Set of equations describing a
precession
around the axis defined by
B
(z-axis)
0
z
M)t(M
Joseph Larmor