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===== Introduction to the Stern Gerlach simulation (Lecture, 10 minutes) =====
{{courses:lecture:splec:spins_unit_sg_experiment.ppt}} Page 12

  * Have students open the Stern Gerlach simulation on their computers
  * Ask them what each object in the simulation represents
  * Explicitly remind the students that random atoms come out of the oven, so without the first device we would not be able to select a beam consisting only of atoms deflected up when the inhomogeneous magnetic field is aligned along the z-axis.
  * Once a beam is 'prepared' with a certain spin, then we can use a second device to analyze the spin - hence the names 'state preparation device' and 'analyzer'
  * Have students set up the situation shown in slide 12, and run the simulation to make sure they can run the simulation before starting the lab.

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