QM - Lecture 15 - Two-Level Systems: Mapping to a Spin 1/2 Problem

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The present lecture brings a general discussion about two-level systems and the mapping to a spin 1/2, which makes possible to use Pauli matrices in their representations.

Here we prepare the ground for discussing a two-level system under the influence of time-varying stimulus.

Comments are welcomed.
Hope you enjoy it.
  1. Cesar Dartora
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Комментарии
Автор

I really enjoyed your lectures. Very precise and easy to follow. The Blackboard and chalk clarity was great as compared to this whiteboard.

amolrholkundkar
Автор

Great video and pedagogy! Quick question though: Why is the Hamiltonian at 51:56 equal to the sigma_z part MINUS the sigma_x part and not PLUS? [-cos] why not [+cos]?

muddassirghoorun