Example 4.4, couched in terms of forces, was a quasi-classical explanation for the SternGerlach effect. Starting from

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Example 4.4, couched in terms of forces, was a quasi-classical explanation for the Stern–Gerlach effect. Starting from the Hamiltonian for a neutral, spin- 1/2 particle traveling through the magnetic field given by Equation 4.169,

use the generalized Ehrenfest theorem (Equation 3.73) to show that

Equation 4.170 is therefore a correct quantum-mechanical statement, with the understanding that the quantities refer to expectation values.

Example 4.4

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Introduction To Quantum Mechanics

ISBN: 9781107189638

3rd Edition

Authors: David J. Griffiths, Darrell F. Schroeter

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