Difference between AC and DC

Using the commutation relations between the Pauli matrices, show that: (a) e^i ασy σx e^-i ασy=σx cos(2 α) σz sin(2 α) (b) e^i ασz σx e^-i ασz=σx cos(2 α)-σy sin(2 α) (c) e^i ασx σy e^-i ασx=σy cos(2 α)-σz sin(2 α) | Numerade

Use the commutation relations between the momentum p and the po... | Filo

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