Quantum Theory of Light
نویسنده
چکیده
PLEASE read over the entire examination before you start. DO ALL QUESTIONS and show all your work in submitted material to be eligible for partial credit. Useful formulae: cos(2x)=cos 2 (x)-sin 2 (x) sin(2x)=2sin(x)cos(x) The Pauli spin matrices: σ z = − 1 0 0 1 ; σ x = 0 1 1 0 ; σ y i i = − 0 0 ; σ σ σ ± = ± 1 2 () x y i
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