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A possible strategy to introduce the basic formalism of the `Dirac formulation' of quantum mechanics without requiring an advanced mathematical or physical background is proposed, generalizing the description of a simple two-state system, namely the linear polarization of photons interacting with polaroids and birefringent crystals. The relation between physical observables and linear operators is discussed on both a conceptual and a formal level. A feasibility study has been performed in the final class of a Liceo.
Michelini et al. (Wed,) studied this question.
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