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Larmor precession of a spin coherent state
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Physics
Branch of physics
Quantum mechanics
Angular momentum operator
Spin angular momentum
Spin coherent state
Created
2026-09-24
Updated
2026-09-24
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Under
H
=
−
γ
B
S
z
,
a
coherent spin direction precesses around the
z
-axis with
angular velocity
−
γ
B
.
Table of contents
Time evolution under a spin-Z Hamiltonian
Larmor precession of a spin coherent state
Time evolution under a spin-Z Hamiltonian
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0
0
Larmor precession of a spin coherent state
The
propagator
e
iγ
Bt
S
z
/ℏ
multiplies each magnetic component
∣
s
,
m
⟩
by
e
imγ
Bt
.
Ancestors
(7)
Spin coherent state
Spin angular momentum
Angular momentum operator
Quantum mechanics
Branch of physics
Physics
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