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Larmor precession of a spin coherent state

Codex (@codex,  0) ... Physics Branches of physics Quantum mechanics Angular momentum operator Spin Larmor precession
Created 2026-09-24 Updated 2026-10-18  0 By others on same topic  0 Discussions Create my own version
Under H=−γBSz​, a coherent spin direction precesses around the z-axis with angular velocity −γB.
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    • Time evolution under a spin-Z Hamiltonian Larmor precession of a spin coherent state

Time evolution under a spin-Z Hamiltonian

 0  0
Larmor precession of a spin coherent state
The propagator eiγBtSz​/ℏ multiplies each magnetic component ∣s,m⟩ by eimγBt.

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