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For a spin-1/2 particle placed in a magnetic field B, the Hamiltonian is H =-yBS, [email protected], where S, is they-component of the spin operator. The state of the system at time t=0 is (y (t = 0)) =1+), whereS, I+) = +1+). At a later t, if S, is measured then what is the probability to get a value – ħ/2?(a) cos(wt)(d)sin^2(omega t/2)(c)0(b) sin^2(omega t) |
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Answer» I don't know |
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